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Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences.

Volume 76 (2022): Issue 5-6 (December 2022)

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19 Articles
Open Access | Dec 10, 2022
Iron Deficiency Anaemia and Anaemia of Inflammation in Enteropathies Caused by Commonest Small Intestine Disorders: Current Evidence
Olesja Basina

Olesja Basina

  • Rīga East University HospitalRīga, Latvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • JSC Veselības centru apvienībaLatvia
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Basina, Olesja
, 
Jelena Derova

Jelena Derova

  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • Latvian Maritime Medicine CentreLatvia
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Derova, Jelena
, 
Aleksejs Derovs

Aleksejs Derovs

  • Rīga East University HospitalRīga, Latvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • Department of Infectology, Rīga Stradiņš UniversityLatvia
  • JSC Veselības centru apvienībaLatvia
  • Latvian Maritime Medicine CentreLatvia
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Derovs, Aleksejs
 and 
Sandra Lejniece

Sandra Lejniece

  • Rīga East University HospitalRīga, Latvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
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Lejniece, Sandra
  
Open Access | Dec 10, 2022
Establishing the cut-offs of leaky gut syndrome diagnostic: where are we now?
Jekaterina Rodina

Jekaterina Rodina

  • Rīga East University HospitalLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
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Rodina, Jekaterina
 and 
Aleksejs Derovs

Aleksejs Derovs

  • Rīga East University HospitalLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • Department of Infectology, Rīga Stradiņš UniversityLatvia
  • JSC Veselības centru apvienībaLatvia
  • Latvian Maritime Medicine CentreLatvia
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Derovs, Aleksejs
  
Open Access | Dec 10, 2022
Role of stenting in endonasal dacryocystorhinostomy: multiple challenges of the current approach
Ekaterina Kondratishko

Ekaterina Kondratishko

JSC Veselības Centru ApvienībaLatvia
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Kondratishko, Ekaterina
, 
Dace Tjurina

Dace Tjurina

  • JSC Veselības Centru ApvienībaLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • Rīga East University HospitalLatvia
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Tjurina, Dace
, 
Mihails Bekers-Ancipolovskis

Mihails Bekers-Ancipolovskis

  • Pauls Stradiņš Clinical University HospitalLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
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Bekers-Ancipolovskis, Mihails
 and 
Aleksejs Derovs

Aleksejs Derovs

  • JSC Veselības Centru ApvienībaLatvia
  • University of LatviaLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • Rīga East University HospitalLatvia
  • Department of Infectology, Rīga Stradiņš UniversityLatvia
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Derovs, Aleksejs
  
Open Access | Dec 10, 2022
A quick guide to diagnosis and treatment of cytomegalovirus infection in the gut: current dilemmas
Iļja Drjagunovs

Iļja Drjagunovs

  • Department of Infectology, Rīga Stradiņš UniversityLatvia
  • Pauls Stradiņš Clinical University HospitalLatvia
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Drjagunovs, Iļja
, 
Sniedze Laivacuma

Sniedze Laivacuma

  • Department of Infectology, Rīga Stradiņš UniversityLatvia
  • JSC Veselības centru apvienībaLatvia
  • Rīga East University HospitalLatvia
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Laivacuma, Sniedze
, 
Indra Zeltiņa

Indra Zeltiņa

  • Department of Infectology, Rīga Stradiņš UniversityLatvia
  • Rīga East University HospitalLatvia
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Zeltiņa, Indra
 and 
Aleksejs Derovs

Aleksejs Derovs

  • Department of Infectology, Rīga Stradiņš UniversityLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • JSC Veselības centru apvienībaLatvia
  • Rīga East University HospitalLatvia
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Derovs, Aleksejs
  
Open Access | Dec 10, 2022
Surgical and non-surgical treatment of paediatric appendicitis: can algorithms help us to predict perforation?
Arnis Eņģelis

Arnis Eņģelis

  • Department of Paediatric Surgery, Rīga Stradiņš UniversityLatvia
  • Department of Paediatric Surgery, Children’s Clinical University HospitalLatvia
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Eņģelis, Arnis
, 
Mohit Kakar

Mohit Kakar

  • Department of Paediatric Surgery, Rīga Stradiņš UniversityLatvia
  • Department of Paediatric Surgery, Children’s Clinical University HospitalLatvia
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Kakar, Mohit
, 
Astra Zviedre

Astra Zviedre

  • Department of Paediatric Surgery, Rīga Stradiņš UniversityLatvia
  • Department of Paediatric Surgery, Children’s Clinical University HospitalLatvia
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Zviedre, Astra
, 
Paulis Laizāns

Paulis Laizāns

Department of Paediatric Surgery, Children’s Clinical University HospitalLatvia
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Laizāns, Paulis
, 
Timurs Zurmutai

Timurs Zurmutai

  • Department of Paediatric Surgery, Rīga Stradiņš UniversityLatvia
  • Department of Postgraduate Studies, Rīga Stradiņš UniversityLatvia
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Zurmutai, Timurs
, 
Jurijs Bormotovs

Jurijs Bormotovs

  • Department of Postgraduate Studies, Rīga Stradiņš UniversityLatvia
  • Department of Anaesthesiology and Reanimatology, Children’s Clinical University HospitalLatvia
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Bormotovs, Jurijs
 and 
Aigars Pētersons

Aigars Pētersons

  • Department of Paediatric Surgery, Rīga Stradiņš UniversityLatvia
  • Department of Paediatric Surgery, Children’s Clinical University HospitalLatvia
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Pētersons, Aigars
  
Open Access | Dec 10, 2022
Surgical treatment of achalasia: results and quality of life
Anna Marija Ļeščinska

Anna Marija Ļeščinska

  • Faculty of Medicine, University of LatviaLatvia
  • Rīga East Clinical University HospitalLatvia
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Ļeščinska, Anna Marija
 and 
Igors Ivanovs

Igors Ivanovs

  • Faculty of Medicine, University of LatviaLatvia
  • Rīga East Clinical University HospitalLatvia
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Ivanovs, Igors
  
Open Access | Dec 10, 2022
Burden of extraintestinal manifestations and comorbidities in treated and untreated ulcerative colitis and Crohn’s disease: a Latvian nationwide prescription database study 2014–2019
Irēna Teterina

Irēna Teterina

Faculty of Pharmacy, Rīga Stradiņš UniversityLatvia
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Teterina, Irēna
, 
Viktorija Mokricka

Viktorija Mokricka

  • Pauls Stradiņš Clinical University HospitalLatvia
  • Faculty of Medicine, Rīga Stradiņš UniversityLatvia
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Mokricka, Viktorija
, 
Eva Petrošina

Eva Petrošina

Faculty of Medicine, Rīga Stradiņš UniversityLatvia
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Petrošina, Eva
 and 
Juris Pokrotnieks

Juris Pokrotnieks

  • Pauls Stradiņš Clinical University HospitalLatvia
  • Faculty of Medicine, Rīga Stradiņš UniversityLatvia
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Pokrotnieks, Juris
  
Open Access | Dec 10, 2022
Mesenchymal stem cell therapy in patients with Crohn’s disease — 5 year follow-up
Oleg V. Knyazev

Oleg V. Knyazev

  • Moscow Clinical Scientific Center named after A. S. LoginovMoscow, Russia
  • Research Institute of Healthcare Organization and Medical ManagementMoscow, Russia
  • National Medical Research Сenter of Coloproctology named after A. N. RyzhykhMoscow, Russia
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Knyazev, Oleg V.
, 
Anna V. Kagramanova

Anna V. Kagramanova

  • Moscow Clinical Scientific Center named after A. S. LoginovMoscow, Russia
  • Research Institute of Healthcare Organization and Medical ManagementMoscow, Russia
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Kagramanova, Anna V.
 and 
Asfold I. Parfenov

Asfold I. Parfenov

Moscow Clinical Scientific Center named after A. S. LoginovMoscow, Russia
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Parfenov, Asfold I.
  
Open Access | Dec 10, 2022
Frequency and risk factors of thromboembolic complications in patients with inflammatory bowel diseases
Albina A. Lishchinskaya

Albina A. Lishchinskaya

Moscow Clinical Scientific Centre named after A. S. LoginovMoscow, Russia
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Lishchinskaya, Albina A.
, 
Oleg V. Knyazev

Oleg V. Knyazev

  • Moscow Clinical Scientific Centre named after A. S. LoginovMoscow, Russia
  • Research Institute of Healthcare Organization and Medical ManagementMoscow, Russia
  • National Medical Research Сentre of Coloproctology named after A. N. RyzhykhMoscow, Russia
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Knyazev, Oleg V.
, 
Anna V. Kagramanova

Anna V. Kagramanova

  • Moscow Clinical Scientific Centre named after A. S. LoginovMoscow, Russia
  • Research Institute of Healthcare Organization and Medical ManagementMoscow, Russia
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Kagramanova, Anna V.
 and 
Asfold I. Parfenov

Asfold I. Parfenov

Moscow Clinical Scientific Centre named after A. S. LoginovMoscow, Russia
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Parfenov, Asfold I.
  
Open Access | Dec 10, 2022
Quality of life after hiatal hernia repair with biosynthetic mesh PhasixTM
Marika Juško

Marika Juško

  • Rīga East Clinical University HospitalLatvia
  • University of LatviaLatvia
  • Liepāja Regional HospitalLatvia
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Juško, Marika
 and 
Igors Ivanovs

Igors Ivanovs

  • Rīga East Clinical University HospitalLatvia
  • University of LatviaLatvia
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Ivanovs, Igors
  
Open Access | Dec 10, 2022
Impact of body mass index on parameters of the left atrium: cardiac computed tomography study
Viktorija Verhovceva

Viktorija Verhovceva

  • Pauls Stradiņš Clinical University HospitalLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
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Verhovceva, Viktorija
, 
Ligita Zvaigzne

Ligita Zvaigzne

Pauls Stradiņš Clinical University HospitalLatvia
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Zvaigzne, Ligita
, 
Kristīne Jubele

Kristīne Jubele

  • Pauls Stradiņš Clinical University HospitalLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
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Jubele, Kristīne
 and 
Oskars Kalējs

Oskars Kalējs

  • Pauls Stradiņš Clinical University HospitalLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
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Kalējs, Oskars
  
Open Access | Dec 10, 2022
Impact of iatrogenic post-cholecystectomy biliary duct injury on quantity of diagnostic imaging and hospital re-admission
Ilze Miklaseviča

Ilze Miklaseviča

Rīga Stradiņš University, Rīga East University Hospital
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Miklaseviča, Ilze
, 
Ņina Malika Popova

Ņina Malika Popova

  • Faculty of Medicine, University of LatviaLatvia
  • Diagnostic Radiology Institute, Pauls Stradiņš Clinical University HospitalLatvia
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Popova, Ņina Malika
, 
Sintija Lapsa

Sintija Lapsa

  • Department of Surgery, Pauls Stradiņš Clinical University HospitalLatvia
  • Department of Surgery, Rīga Stradiņš UniversityLatvia
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Lapsa, Sintija
, 
Arturs Ozoliņš

Arturs Ozoliņš

  • Department of Surgery, Pauls Stradiņš Clinical University HospitalLatvia
  • Department of Surgery, Rīga Stradiņš UniversityLatvia
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Ozoliņš, Arturs
 and 
Maija Radziņa

Maija Radziņa

  • Faculty of Medicine, University of LatviaLatvia
  • Diagnostic Radiology Institute, Pauls Stradiņš Clinical University HospitalLatvia
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Radziņa, Maija
  
Open Access | Dec 10, 2022
Comparison of nice classification for optical diagnosis of colorectal polyps and morphology of removed lesions depending on localisation in colon
Ilona Vilkoite

Ilona Vilkoite

  • Department of Doctoral Studies, Rīga Stradiņš UniversityLatvia
  • Health Centre 4Latvia
  • Digestive Diseases Center GASTROLatvia
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Vilkoite, Ilona
, 
Linda Mežmale

Linda Mežmale

  • Department of Doctoral Studies, University of LatviaLatvia
  • Rīga East University HospitalLatvia
  • Institute of Clinical and Preventive Medicine, University of LatviaLatvia
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Mežmale, Linda
, 
Ivars Tolmanis

Ivars Tolmanis

  • Digestive Diseases Center GASTROLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
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Tolmanis, Ivars
, 
Hosams Abu Meri

Hosams Abu Meri

Health Centre 4Latvia
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Meri, Hosams Abu
, 
Laura Veide

Laura Veide

  • Health Centre 4Latvia
  • Faculty of Residency, Rīga Stradiņš UniversityLatvia
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Veide, Laura
, 
Zane Dzērve

Zane Dzērve

  • Department of Doctoral Studies, University of LatviaLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • Faculty of Residency, Rīga Stradiņš UniversityLatvia
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Dzērve, Zane
, 
Linda Anarkulova

Linda Anarkulova

  • Health Centre 4Latvia
  • Institute of Clinical and Preventive Medicine, University of LatviaLatvia
  • Faculty of Residency, Rīga Stradiņš UniversityLatvia
  • Liepāja Regional HospitalLatvia
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Anarkulova, Linda
, 
Kristīne Nevidovska

Kristīne Nevidovska

  • Pathology Centre, Rīga East University HospitalLatvia
  • Academic Histology LaboratoryLatvia
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Nevidovska, Kristīne
 and 
Aivars Lejnieks

Aivars Lejnieks

  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • Head Department of Internal Diseases, Rīga East University HospitalLatvia
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Lejnieks, Aivars
  
Open Access | Dec 10, 2022
Dominating taxonomic composition of the early life gut microbiota and influencing factors in infants up to seven months of age in Latvia
Egija Zelča

Egija Zelča

Faculty of Medicine, University of LatviaLatvia
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Zelča, Egija
, 
Dita Gudrā

Dita Gudrā

Department of Human Genetics and Disease Mechanisms, Latvian Biomedical Research and Study CentreLatvia
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Gudrā, Dita
, 
Ērika Lūse

Ērika Lūse

Faculty of Medicine, University of LatviaLatvia
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Lūse, Ērika
, 
Jana Peterleviča

Jana Peterleviča

Faculty of Medicine, University of LatviaLatvia
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Peterleviča, Jana
, 
Maija Ustinova

Maija Ustinova

Department of Human Genetics and Disease Mechanisms, Latvian Biomedical Research and Study CentreLatvia
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Ustinova, Maija
, 
Dāvids Fridmanis

Dāvids Fridmanis

Department of Human Genetics and Disease Mechanisms, Latvian Biomedical Research and Study CentreLatvia
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Fridmanis, Dāvids
, 
Ingrīda Rumba-Rozenfelde

Ingrīda Rumba-Rozenfelde

Faculty of Medicine, University of LatviaLatvia
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Rumba-Rozenfelde, Ingrīda
 and 
Ilva Daugule

Ilva Daugule

  • Faculty of Medicine, University of LatviaLatvia
  • Institute of Clinical and Preventive Medicine, University of LatviaLatvia
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Daugule, Ilva
  
Open Access | Dec 10, 2022
Characteristics of the dual nature of the p27 protein in oral leukoplakias and cancer
Madara Dzudzilo

Madara Dzudzilo

Centre of Oral Medicine, Institute of Stomatology, Rīga Stradiņš UniversityLatvia
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Dzudzilo, Madara
, 
Ingrīda Čēma

Ingrīda Čēma

Centre of Oral Medicine, Institute of Stomatology, Rīga Stradiņš UniversityLatvia
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Čēma, Ingrīda
, 
Regīna Kleina

Regīna Kleina

Department of Pathology, Rīga Stradiņš UniversityLatvia
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Kleina, Regīna
, 
Šimons Svirskis

Šimons Svirskis

Institute of Microbiology and Virology, Rīga Stradiņš UniversityLV-1067, Latvia
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Svirskis, Šimons
 and 
Guntars Selga

Guntars Selga

Centre of Oral Medicine, Institute of Stomatology, Rīga Stradiņš UniversityLatvia
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Selga, Guntars
  
Open Access | Dec 10, 2022
Rar liver tumour — epithelioid haemangioendothelioma: a case report
Sniedze Laivacuma

Sniedze Laivacuma

  • Department of Infectology, Rīga Stradiņš UniversityRīga, Latvia
  • Faculty of Medicine, University of LatviaRīga, Latvia
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Laivacuma, Sniedze
, 
Indra Zeltiņa

Indra Zeltiņa

  • Department of Infectology, Rīga Stradiņš UniversityRīga, Latvia
  • Faculty of Medicine, University of LatviaRīga, Latvia
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Zeltiņa, Indra
, 
Aleksejs Derovs

Aleksejs Derovs

  • Department of Infectology, Rīga Stradiņš UniversityRīga, Latvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityRīga, Latvia
  • Rīga East University HospitalRīga, Latvia
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Derovs, Aleksejs
, 
Andris Norko

Andris Norko

Rīga East University HospitalRīga, Latvia
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Norko, Andris
, 
Sergejs Isajevs

Sergejs Isajevs

Faculty of Medicine, University of LatviaRīga, Latvia
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Isajevs, Sergejs
, 
Karīna Makejeva

Karīna Makejeva

Rīga East University HospitalRīga, Latvia
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Makejeva, Karīna
 and 
Joost PH Drenth

Joost PH Drenth

Department of Gastroenterology and HepatologyNijmegen, The Netherlands
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Drenth, Joost PH
  
Open Access | Dec 10, 2022
Fatal peritonitis — causes, contributing factors and diagnostic challenges: an autopsy cases study
Marie Lindholm

Marie Lindholm

Kasernhöjden Health Care CentreKarlstad, Sweden
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Lindholm, Marie
, 
Ivanda Franckeviča

Ivanda Franckeviča

Department of Pathology, Rīga Stradiņš UniversityLatvia
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Franckeviča, Ivanda
, 
Aleksejs Derovs

Aleksejs Derovs

  • Department of Infectology, Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • Rīga East University HospitalRīga, Latvia
  • JSC Veselības Centru ApvienībaLatvia
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Derovs, Aleksejs
, 
Anita Dabužinskiene

Anita Dabužinskiene

Institute of Anatomy, Lithuanian University of Health SciencesLithuania
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Dabužinskiene, Anita
 and 
Regīna Kleina

Regīna Kleina

Department of Pathology, Rīga Stradiņš UniversityLatvia
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Kleina, Regīna
  
Open Access | Dec 10, 2022
Sepsis and multiple organ dysfunction syndrome as the first clinical presentation of Wilson's disease: case report
Indra Zeltiņa

Indra Zeltiņa

  • Rīga East University HospitalLatvia
  • Department of Infectology, Rīga Stradiņš UniversityLatvia
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Zeltiņa, Indra
, 
Katrīne Dreimane

Katrīne Dreimane

Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
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Dreimane, Katrīne
, 
Sandra Paeglīte

Sandra Paeglīte

Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
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Paeglīte, Sandra
 and 
Aleksejs Derovs

Aleksejs Derovs

  • Rīga East University HospitalLatvia
  • Department of Internal Diseases, Rīga Stradiņš UniversityLatvia
  • Department of Infectology, Rīga Stradiņš UniversityLatvia
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Derovs, Aleksejs
  
Open Access | Dec 10, 2022
On the X Anniversary Latvian Gastroenterology Congress with International Participation
Aleksejs Derovs

Aleksejs Derovs

  • Rīga Stradiņš UniversityRīga, Latvia
  • Rīga East University HospitalRīga, Latvia
  • JSC Veselības centru apvienībaRīga, Latvia
  • Latvian Maritime Medicine CentreRīga, Latvia
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Derovs, Aleksejs
, 
Jeļena Derova

Jeļena Derova

  • Rīga Stradiņš UniversityRīga, Latvia
  • Latvian Maritime Medicine CentreRīga, Latvia
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Derova, Jeļena
 and 
Juris Pokrotnieks

Juris Pokrotnieks

  • Rīga Stradiņš UniversityRīga, Latvia
  • Pauls Stradiņš Clinical University HospitalRīga, Latvia
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Pokrotnieks, Juris
  

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