title: [Four young parrots with massive prognathic problems].
mesh_terms: D000818:Animals; D000836:Animals, Zoo; D003813:Dentistry / Q000662:veterinary*; D010311:Parrots; D011378:Prognathism / Q000628:therapy / Q000662:veterinary*
vernacular_title: Vier Jung-Papageien mit massiven Progenie-Beschwerden.