title: Validity, variability and reproducibility of single-breath total lung capacity determinations in normal subjects.
mesh_terms: D000328:Adult; D000367:Age Factors; D005260:Female; D006371:Helium; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D012143:Respiratory Physiological Phenomena; D012737:Sex Factors; D012907:Smoking; D013147:Spirometry
chemical_list: D006371:Helium