title: STUDIES ON THE DISTRIBUTION OF INSPIRED GAS BY A CLOSED CIRCUIT METHOD.
mesh_terms: D019069:Cell Respiration; D006371:Helium; D006801:Humans; D010827:Physiology; D012119:Respiration; D012122:Ventilators, Mechanical
chemical_list: D006371:Helium
keywords: HELIUM; PHYSIOLOGY; RESPIRATION; RESPIRATORS