[Survey on intestinal parasites in the Internado Nacidnal Infantil].
D000293:Adolescent; D002648:Child; D005511:Food Handling / Q000592:standards; D006306:Health Surveys; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology*; D008800:Mexico
Encuesta sobre parasitósis intestinales en el Internado Nacional Infantil.