Collecting avian lachrymal fluid.
D000818:Animals; D001717:Birds / Q000502:physiology*; D002217:Carbachol / Q000494:pharmacology; D002645:Chickens / Q000502:physiology; D004372:Ducks / Q000502:physiology; D011784:Quail / Q000502:physiology; D013048:Specimen Handling / Q000662:veterinary; D013666:Tears / Q000187:drug effects / Q000276:immunology; D014422:Turkeys / Q000502:physiology
D002217:Carbachol