The use of immobilon.
D000700:Analgesics / Q000009:adverse effects*; D000768:Anesthesia, General / Q000009:adverse effects / Q000401:mortality / Q000662:veterinary*; D000818:Animals; D006339:Heart Rate / Q000187:drug effects; D006734:Horse Diseases / Q000601:surgery*; D006736:Horses; D008297:Male; D009019:Morphinans / Q000009:adverse effects*; D012119:Respiration / Q000187:drug effects; D014202:Tremor / Q000139:chemically induced
D000700:Analgesics; D009019:Morphinans