Gastrointestinal parasites in Sydney.
D000368:Aged; D001315:Australia; D002675:Child, Preschool; D005243:Feces / Q000469:parasitology; D005260:Female; D005767:Gastrointestinal Diseases / Q000469:parasitology*; D006801:Humans; D008297:Male; D011528:Protozoan Infections / Q000469:parasitology*; D012722:Sewage / Q000009:adverse effects
D012722:Sewage