1. The effect of age on contractile protein ATPase activity and the velocity of shortening;Alpert,1967
2. Prolonged contraction duration in aged myocardium;Lakatta;J. Clin. Invest.,1975
3. Resting and active mechanical properties of trabeculae carneae from aged male rats;Weisfeldt;Am. J. Physiol.,1971
4. Myocardial aging: functional alterations and related cellular mechanisms;Lakatta;Am. J. Physiol.,1982
5. Excitation-contraction in rat myocardium: alterations with adult aging;Wei;Am. J. Phyiol.,1984