Intended for healthcare professionals

Correspondence

Does breathing other people's tobacco smoke cause lung cancer?

Br Med J (Clin Res Ed) 1986; 293 doi: https://doi.org/10.1136/bmj.293.6560.1503-b (Published 06 December 1986) Cite this as: Br Med J (Clin Res Ed) 1986;293:1503