Article
[A cross-sectional survey of familial aggregation of chronic obstructive pulmonary disease: in seven provinces/cities in China].
Zhonghua nei ke za zhi - 1 May 2014
Zhou Yumin, Wang Chen, Yao Wanzhen, Chen Ping, Kang Jian, Huang Shaoguang, Chen Baoyuan, Wang Changzheng, Ni Diantao, Wang Xiaoping, Wang Dali, Liu Shengming, Lyu Jiachun, Zheng Jinping, Zhong Nanshan, Ran Pixin
Abstract excerpt
OBJECTIVE: To investigate the familial aggregation in chronic obstructive pulmonary disease (COPD). METHODS: Based on a cross-sectional survey in seven provinces/cities in China (Beijing, Shanghai, Guangdong, Liaoning, Tianjin, Chongqing and Shaanxi) from 2002 to 2004, the familial aggregation of COPD was investigated with multi-stage cluster random sampling method.One urban and one rural area were selected as...
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