Tetrameres americana in laboratory pigeons (Columba livia).
D000818:Animals; D000830:Animals, Laboratory; D001715:Bird Diseases / Q000382:microbiology* / Q000473:pathology; D010856:Columbidae; D009349:Nematode Infections / Q000473:pathology; D011531:Proventriculus / Q000382:microbiology / Q000473:pathology; D013151:Spiruroidea