Witte, T H, Mohammed, H O, Radcliffe, C H, Hackett, R P, Ducharme, N G, "Racing performance after combined prosthetic laryngoplasty and ipsilateral ventriculocordectomy or partial arytenoidectomy: 135 Thoroughbred racehorses competing at less than 2400 m (1997-2007)", Equine Veterinary Journal,