title: Helium-rebreathing method for the determination of FRC and RV.
mesh_terms: D000328:Adult; D000367:Age Factors; D005260:Female; D006371:Helium; D006801:Humans; D008297:Male; D008875:Middle Aged; D010991:Plethysmography; D011865:Radioisotope Dilution Technique; D012126:Respiratory Dead Space; D012129:Respiratory Function Tests; D012737:Sex Factors; D014797:Vital Capacity
chemical_list: D006371:Helium