title: Value of purgation in examining stool for parasites.
mesh_terms: D000328:Adult; D002400:Cathartics; D005243:Feces / Q000469:parasitology*; D005873:Giardiasis / Q000175:diagnosis; D006801:Humans; D007411:Intestinal Diseases, Parasitic / Q000175:diagnosis*; D013322:Strongyloidiasis / Q000175:diagnosis
chemical_list: D002400:Cathartics