Cite
APA Citation
Zhou, Y., Hu, G., Wang, D., Wang, S., Wang, Y., Liu, Z., Hu, J., Shi, Z., Peng, G., Liu, S., Lu, J., Zheng, J., Wang, J., Zhong, N., & Ran, P. (2010). community based integrated intervention for prevention and management of chronic obstructive pulmonary disease (COPD) in Guangdong, China: cluster randomised controlled trial. BMJ, 341, . http://access.bl.uk/ark:/81055/vdc_100144713398.0x000035