1. Influence of age on the hemodynamic response to exercise;Julius;Circulation,1967
2. Age-related alterations in the cardiovascular responses to adrenergic mediated stress;Lakatta,1980
3. Cardiovascular limitations in the aged;Shephard,1981
4. Maximal heart rate during work in older men;Astrand;J Appl Physiol,1959
5. The effect of age on contractile protein ATPase activity and the velocity of shortening;Alpert,1967