Prevalence of human ascariasis and trichuriasis in San Juan and vicinity, Puerto Rico.
D001196:Ascariasis / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005243:Feces; D005260:Female; D006801:Humans; D008297:Male; D010270:Parasite Egg Count; D011647:Puerto Rico; D012424:Rural Population; D012499:Sanitation; D012959:Socioeconomic Factors; D014257:Trichuriasis / Q000453:epidemiology*; D014505:Urban Population