Giardiasis.
D004196:Disease Outbreaks / Q000453:epidemiology; D005243:Feces / Q000469:parasitology; D005664:Furazolidone / Q000627:therapeutic use; D005873:Giardiasis / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology; D006801:Humans; D008795:Metronidazole / Q000627:therapeutic use; D010270:Parasite Egg Count; D011796:Quinacrine / Q000627:therapeutic use; D014481:United States
D008795:Metronidazole; D005664:Furazolidone; D011796:Quinacrine