The respiratory dead space measured by single breath analysis of oxygen, carbon dioxide, nitrogen or helium.
D002245:Carbon Dioxide / Q000032:analysis*; D019069:Cell Respiration; D006371:Helium; D009584:Nitrogen; D010100:Oxygen; D012119:Respiration; D012126:Respiratory Dead Space
D002245:Carbon Dioxide; D006371:Helium; D009584:Nitrogen; D010100:Oxygen
CARBON DIOXIDE/determination; HELIUM; NITROGEN; OXYGEN; RESPIRATION