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Publicado en línea: 02 sept 2014
Páginas: 567 - 570
DOI: https://doi.org/10.2478/jos-2014-0036
© by Whitney Kirzinger
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Whitney Kirzinger
Data Analysis and Quality Assurance Branch, Division of Health Interview Statistics, National Center for Health Statistics, 3311 Toledo Road, Room 2329, Hyattsville, Maryland 20782