Stolk P W, Lagerweij E
Vakgroep Algemene Heelkunde en Heelkunde der Grote Huisdieren, Faculteit der Diergeneeskunde, Utrecht.
Tijdschr Diergeneeskd. 1989 Jun 15;114(12):657-67.
Using the semi-closed to-and-fro system, oxygen-halothane anaesthesia was produced in horses and ponies. It is concluded that the system described enables the equine veterinary practitioner to carry out moderately prolonged surgery (up to approximately 120 minutes) by a justifiable and relatively safe method.