Letter to the editor.
Malik
Richard
R
Hunt
Geraldine B
GB
D000818:Animals; D002371:Cat Diseases / Q000473:pathology* / Q000601:surgery*; D002415:Cats; D004724:Endoscopy / Q000662:veterinary*; D004947:Esophagus / Q000473:pathology / Q000601:surgery; D009298:Nasal Polyps / Q000473:pathology / Q000601:surgery / Q000662:veterinary*; D009305:Nasopharynx / Q000473:pathology / Q000601:surgery; D010160:Palate, Soft / Q000473:pathology / Q000601:surgery*