title: Effect of respiratory valve dead space on pulmonary ventilation at rest and during exercise.
mesh_terms: D000328:Adult; D001827:Body Height; D001835:Body Weight; D006801:Humans; D008297:Male; D005082:Physical Exertion; D012119:Respiration; D012126:Respiratory Dead Space; D012907:Smoking; D013147:Spirometry / Q000295:instrumentation*; D014692:Ventilation-Perfusion Ratio