[Smoking as a risk factor for chronic bronchitis (review of literature)].
Guseĭnov
Kh Iu
KhIu
D001991:Bronchitis / Q000453:epidemiology / Q000209:etiology*; D002908:Chronic Disease; D014943:Global Health; D006801:Humans; D015994:Incidence; D012907:Smoking / Q000009:adverse effects*