Giardiasis.
D005873:Giardiasis / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D006801:Humans; D008795:Metronidazole / Q000627:therapeutic use; D014011:Tinidazole / Q000627:therapeutic use
D014011:Tinidazole; D008795:Metronidazole