1. Automatic ventilators;Davey,2005
2. Traditional modes of mechanical ventilation; Hess DR, Kacmarek RM. New modes of mechanical ventilation;Hess,2002
3. Anesthesia ventilators;Dorsch,2007
4. Automatic ventilators;Davey,2005
5. the need for appropriate monitoring;Anesthesia ventilators with descending bellows;Health Devices,1996