2 .柳涛,蔡柏强.慢性阻塞性肺疾病诊断、处理和预防全球策略( 2011年修订版)介绍.中国呼吸与危重监护杂志, 2012 , 1 : 1 -.Alamoudi OS . Bacterial infection and risk factors in outpatients with acute exacerbation of chronic obstructive pulmonary disease : a 2 - year prospective study .Bronchial microbial ......