/b/veterinary-nursing-news/posts/butorphanol-could-be-a-predictor-of-canine-brain-tumours-and-intercranial-hypertension Lumbry Park Veterinary Specialists has published research in The Journal of Veterinary Anaesthesia and Analgesia which concluded that butorphanol administered as a premedicant for anaesthesia could be used to predict the presence of brain tumours oren-USTelligent Community 10