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Perception of circadian variation of symptoms in Chinese patients with chronic obstructive pulmonary disease

  
@article{JTD15903,
	author = {Ming Lu and Xiaohong Wang and Baiqiang Cai and Kewu Huang and Jie Cao and Jinping Zheng and Yongchang Sun and Fuqiang Wen and Huili Zhu and Xin Zhou and Jianping Zhao and Yanfei Guo and Xia Ling and Wanzhen Yao},
	title = {Perception of circadian variation of symptoms in Chinese patients with chronic obstructive pulmonary disease},
	journal = {Journal of Thoracic Disease},
	volume = {9},
	number = {10},
	year = {2017},
	keywords = {},
	abstract = {Background: Although, the variable pattern of asthmatic symptoms is well recognized, little is known about the respiratory symptoms variability in patients of chronic obstructive pulmonary disease (COPD). The present study evaluated the variability of the respiratory symptoms in a day and their influence on the daily activities in a cohort of Chinese COPD patients. 
Methods: An observational cross-sectional study was conducted in 11 medical centers of China. Participants were outpatient ≥40 years old with stable COPD, post-bronchodilator forced expiratory volume in 1 second (FEV1) },
	issn = {2077-6624},	url = {http://jtd.amegroups.com/article/view/15903}
}