TY  - RPRT
TI  - Serial exercise testing in patients with effort angina: variable tolerance, fixed threshold.
AU  - D D Waters
AU  - J L McCans
AU  - P A Crean
PY  - 1985
DO  - 10.1016/s0735-1097(85)80302-8
UR  - https://pubmed.ncbi.nlm.nih.gov/4045025/
ID  - 4045025
ER  -