[The effects of aging and genetic factors on heart rate response to hypoxia--studies in twins].
D000293:Adolescent; D000328:Adult; D000375:Aging; D004200:Diseases in Twins; D005260:Female; D006339:Heart Rate; D006801:Humans; D000860:Hypoxia / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic