1. | research works | Driscoll KA et al. Florida (USA); SCOPUS (ELSEVIER) (3) | Boden S et al. Warwick (UK); Web of Science (formerly Web of Knowledge) (18) |
| | Amilltegui B et al. Madrit (Spain) - PubMed (7) | Chien SC et al. - Chiba (Japan) and Tainan City (Taiwan); ScienceDirect Journals (Elsevier) (19) |
| | Cox ED et al. Madison (USA); ScienceDirect Journals (Elsevier) (8) | |
| | Hayes - Bohn R et al. Canada; Web of Science (formerly Web of Knowledge) (9) | Ginsburg KR et al. Philadelphia (USA); Web of Science (formerly Web of Knowledge) (20) |
| | Hellems MA & Clarke WL Virginia (USA); Web of Science (formerly Web of Knowledge) (10) | Guo J et al. Changsha, Human Province (China); PubMed (21) |
| | Lehmkuhl H & Nabors L Florida (USA); Web of Science (formerly Web of Knowledge) (11) | Marshall M et al. Manchester (UK); PubMed (22) |
| | Nguyen T.M. et al. Houston (Texas); PubMed (12) | Nabors L et al. Cincinnati (USA); Web of Science (formerly Web of Knowledge) (23) |
| | Peery AI et al. East Carolia (USA); SCOPUS (13) | Pinelli L et al. Verona (Italy); SCOPUS (ELSEVIER) (24) |
| | Schwartz F et al. Ohio (USA); PubMed (14) Skelley JP et al. Alabama (USA); SCOPUS (ELSEVIER) (15) | Rankin D et al. Edinburgh (UK); Web of Science (formerly Web of Knowledge) (25) |
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2. | literature reviews | Edwards D et al. Bangor (UK); PubMed (16) | Clar C et al. - Berlin (Germany); Cochrane Library (26) |
| | Kelo M et al. Helsinki (Finland); Web of Science (formerly Web of Knowledge) (17) | Marks A et al. Sydney (Australia); PubMed (27) |
| | | Parab ChS et al. North Wollongong (Australia); Cochrane Library (28) |
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3. | series of cases | | Babler E & Strickland CJ - Seattle (USA); ScienceDirect Journals (Elsevier) (29) |
| | | Freeborn D et al. Provo (USA); ScienceDirect Journals (Elsevier) (30) |
| | | Marshall M et al. Preston (UK); Web of Science (formerly Web of Knowledge) (31) |
| | | Schmidt C et al. Carbondale (USA); SCOPUS (ELSEVIER) (32) |
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4. | recommendatic American Diabetes Association | | Jackson CC et al (USA); Web of Science (formerly Web of Knowledge) (33) |