Vincent McDonald1. 1. Department of Adult and Paediatric Gastroenterology, DDRC, Barts and the London School of Medicine, University of London, UK. v.mcdonald@qmul.ac.uk
Authors: Luis Quihui; Gloria G Morales; Rosa O Méndez; Johanna G Leyva; Julián Esparza; Mauro E Valencia Journal: BMC Public Health Date: 2010-02-20 Impact factor: 3.295
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