A Retrospective Analysis of Prevalence of Gastrointestinal Parasites among School Children in the Palajunoj Valley of Guatemala

Autor: Cook, David M., Swanson, R. Chad, Eggett, Dennis L., Booth, Gary M.
Zdroj: Journal of Health, Population and Nutrition, 2009 Feb 01. 27(1), 31-40.
Databáze: JSTOR Journals