Cite
APA Citation
Jordan, R. E., Cheng, K. K., Miller, M. R., & Adab, P. (2011). passive smoking and chronic obstructive pulmonary disease: cross-sectional analysis of data from the Health Survey for England. BMJ open, 1(2), . http://access.bl.uk/ark:/81055/vdc_100144720211.0x000007