3[1]Plant PK,Owen JL,Elliott MW.Early use of noninvasive ventilation for acute exacerbations of chronic obstructive pulmonary disease on general respiratory wards:a multi center randomized trial[J].Lancet,2000,355:1931-1935.
4叶任高，陆再英，主编．内科学．北京：人民卫生出版社,2005．57—63．
5蔡映云,主编.机械通气与临床应用.上海科学技术出版社,2002.118-1191.
6M etha S , H illN S. Non invasive ventilation. Am J Resp ir Crit Care Med,2001, 163: 540- 577.
