TY  - RPRT
TI  - Submaximal exercise testing after unstable angina.
AU  - J V Nixon
AU  - M C Hillert
AU  - W Shapiro
AU  - T C Smitherman
PY  - 1980
DO  - 10.1016/0002-8703(80)90628-6
UR  - https://pubmed.ncbi.nlm.nih.gov/7377099/
ID  - 7377099
ER  -