title: Influence of cigarette smoking on the changes produced by spinal anesthesia on expiratory forced volumes and flow rates.
mesh_terms: D000328:Adult; D000775:Anesthesia, Spinal; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking; D013147:Spirometry; D014797:Vital Capacity