Commentary: Cornfield on cigarette smoking and lung cancer and how to assess causality.
Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland. zwahlen@ispm.unibe.ch
Marcel
M
Zwahlen
D035843:Biomedical Research / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology / Q000266:history*; D012907:Smoking / Q000009:adverse effects / Q000266:history*