title: Crop stasis and regurgitation in racing pigeons.
authors.forename: F D
authors.initials: FD
authors.lastname: Harper
authors.forename: A S
authors.initials: AS
authors.lastname: Wallis
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000209:etiology* / Q000628:therapy; D010856:Columbidae; D003426:Crop, Avian; D007239:Infections / Q000628:therapy / Q000662:veterinary*; D014839:Vomiting / Q000662:veterinary