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2. Studies of the pathogenesis and prevention of postoperative pulmonary complications;Bartlett;Surg., Gynecol., & Obst.,1973
3. Clinical Nursing: Pathophysiological and Psychosocial Approaches;Beland,1970
4. Respiratory Care. St;Bendixen,1968
5. Aspiration pneumonia;Cameron;J.A.M.A.,1972