Cardiovascular responses of aged men to orthostatism during heat exposure.
D000328:Adult; D000367:Age Factors; D000368:Aged; D001341:Autonomic Nervous System / Q000502:physiology; D006439:Hemodynamics; D006358:Hot Temperature; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture