title: A study of ventilatory lung functions in smokers from a tropical area.
mesh_terms: D000367:Age Factors; D000403:Airway Resistance; D006801:Humans; D007194:India; D008168:Lung / Q000503:physiopathology*; D012129:Respiratory Function Tests; D012907:Smoking / Q000503:physiopathology*; D013147:Spirometry; D014330:Tropical Medicine