title: Clinical aspects of nutritional secondary hyperparathyroidism in cage birds.
mesh_terms: D000818:Animals; D001715:Bird Diseases; D001717:Birds; D002171:Canaries; D010856:Columbidae; D005260:Female; D006962:Hyperparathyroidism, Secondary / Q000662:veterinary*; D008297:Male; D010240:Parakeets