Age changes in myocardial function and exercise response.

@article{Gerstenblith1976AgeCI,
  title={Age changes in myocardial function and exercise response.},
  author={Gary Gerstenblith and Edward G. Lakatta and Myron L. Weisfeldt},
  journal={Progress in cardiovascular diseases},
  year={1976},
  volume={19 1},
  pages={1-21}
}