[Tobacco & cancer; atmospheric factors in cancer of the respiratory tract & the upper digestive tract in Cuba].
D003462:Cuba; D004067:Digestive System Neoplasms; D041981:Gastrointestinal Tract; D006801:Humans; D009369:Neoplasms; D012137:Respiratory System; D012142:Respiratory Tract Neoplasms; D012907:Smoking / Q000009:adverse effects*; D014026:Nicotiana
GASTROINTESTINAL SYSTEM/neoplasms; RESPIRATORY TRACT/neoplasms; SMOKING/injurious effects
Tabaco y cáncer; estudio sobre factores ambientales en el cáncer del tracto respiratorio y vías digestivas altas en Cuba.