TY - RPRT TI - Exercise testing and hemodynamic performance in healthy elderly persons. AU - J C Hitzhusen AU - R B Hickler AU - J S Alpert AU - P W Doherty PY - 1984 DO - 10.1016/s0002-9149(84)80148-4 UR - https://pubmed.ncbi.nlm.nih.gov/6496329/ ID - 6496329 ER -