Smoking and COPD: What really are the risks?
Marsh
S
S
Aldington
S
S
Shirtcliffe
P
P
Weatherall
M
M
Beasley
R
R
D016902:Air Pollution, Indoor / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male; D016273:Occupational Exposure; D029424:Pulmonary Disease, Chronic Obstructive / Q000209:etiology*; D012907:Smoking / Q000009:adverse effects*