1. Aerosol therapy;Young,1976
2. Respiratory therapy equipment;McPherson,1981
3. Clinical application of respiratory care;Shapiro,1979
4. Egan's Fundamentals of respiratory therapy;Spearman,1982
5. Humidity in anaesthesiology;Dery;III. Heat and moisture patterns in the respiratory tract during anaesthesia with the semi-closed system. Can Anaesth Soc J,1967