2Lyager S,Wernberg M,Rajani N,et al.Can postoperative pulmonary conditions be improved by treatment with the Bartlett-Edwards incentive spirometer after upper abdominal surgery[].Acta Anaesthesiologica.1979
3Mitchell C,Garrahy P,Peake P.Postoperative respiratory mor-bidity:identification and risk factors[].Australian and New Zealand Journal of Surgery.1982
4Celli BR,Rodriguez KS,Snider GL.A controlled trial of intermittent positive pressure breathing, incentive spirometry, and deep breathing exercises in preventing pulmonary complications after abdominal surgery[].The American Review of Respiratory Disease.1984
5Dureuiil B,Viires N,Cantineau JP,et al.Diaphragmatic contractility after upper abdominal surgery[].Journal of Applied Physiology.1986
6Alexander JI,Spence AA,Parikh RK,et al.The role of airway closure in postoperative hypoxaemia[].British Journal of Anaesthesia.1973
7Simonneau G,Vivien A,Sartene R,et al.Diaphragm dysfunction induced by upper abdominal surgery[].The American Review of Respiratory Disease.1983
8Pelosi P,Crosi M,Ravagnan I,et al.Total respiratory system,lung and chest wall mechanics in sedated-paralyzed postoperative morbidly obese patients[].Chest.1996
9Wani KA,Dar HA,Malik AA,et al.Comparison of postoperative pulmonary function tests after cholecystectomy performed through kocher’s incision and mini-incision[].International Surgery.2002
10Mitchell CK,Smoger SH,Pfeifer MP,et al.Multivariate analysis of factors associated pulmonary complications following general elective surgery[].Archives of Surgery.1998