Lung volumes, ventilatory capacity, and transfer factor in healthy British boy and girl twins.
D000293:Adolescent; D000367:Age Factors; D001827:Body Height; D001835:Body Weight; D002648:Child; D005260:Female; D006801:Humans; D008168:Lung / Q000502:physiology*; D008297:Male; D011247:Pregnancy; D011650:Pulmonary Alveoli / Q000502:physiology; D011653:Pulmonary Diffusing Capacity; D012119:Respiration; D012737:Sex Factors; D013147:Spirometry; D014427:Twins; D014797:Vital Capacity; D014852:Wales