Effect on mortality of switching from cigarettes to pipes or cigars. American study supported conclusions.
Lubin
J H
JH
Fraumeni
J F
JF
D016022:Case-Control Studies; D002755:Choice Behavior; D005060:Europe / Q000453:epidemiology; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality*; D008297:Male; D011446:Prospective Studies; D018570:Risk Assessment; D012307:Risk Factors; D012907:Smoking / Q000401:mortality*