[The habit of smoking cigars - less dangerous than smoking cigarettes ?]].
Trofor
A
A
U.M.F. Gr. T. Popa-Clinica Pneumologică Iaşi.
Grigoraş
C
C
D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology; D008175:Lung Neoplasms / Q000209:etiology; D012306:Risk; D012907:Smoking / Q000009:adverse effects*; D013997:Time Factors