Wright, Bonnie D An evaluation of apnea or spontaneous ventilation in early recovery following mechanical ventilation in the anesthetized horse. [electronic resource] - Veterinary anaesthesia and analgesia Jan 2001 - 26-33 p. digital Publication Type: Journal Article ISSN: 1467-2995 Standard No.: 10.1046/j.1467-2995.2001.00015.x doi