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Paper published by Dr Qingfeng Ma:
Original Research
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Chronic obstructive pulmonary disease and cognitive impairment in the Chinese elderly population: a large national survey
Yin P, Ma Q, Wang L, Lin P, Zhang M, Qi S, Wang Z
International Journal of Chronic Obstructive Pulmonary Disease 2016, 11:399-406
Published Date: 25 February 2016