TY  - RPRT
TI  - Standardized informal exercise testing for programming rate adaptive pacemakers.
AU  - D L Hayes
AU  - L Von Feldt
AU  - S T Higano
PY  - 1991
DO  - 10.1111/j.1540-8159.1991.tb02764.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1721173/
ID  - 1721173
ER  -