Parasitologic investigations in gastroenterologic practice.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005243:Feces / Q000469:parasitology; D005260:Female; D005762:Gastroenterology; D005767:Gastrointestinal Diseases / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010272:Parasitic Diseases; D014481:United States