The effect of sanitation on ascariasis in an Iranian village.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001196:Ascariasis / Q000517:prevention & control*; D002648:Child; D005243:Feces / Q000032:analysis*; D005260:Female; D006801:Humans; D007492:Iran; D008297:Male; D008875:Middle Aged; D014038:Toilet Facilities; D014881:Water Supply