Community based integrated intervention for prevention and management of chronic obstructive pulmonary disease (COPD) in Guangdong, China: cluster randomised controlled trial.
BMJ 341(dec01 2):c6387 (2010) PMID 21123342
To evaluate the effects of a community based integrated intervention for early prevention and management of chronic obstructive pulmonary disease (COPD) in China.
DOI: 10.1136/bmj.c6387
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