TY  - RPRT
TI  - On the matter of method in exercise testing.
AU  - P M Okin
AU  - P Kligfield
PY  - 1994
DO  - 10.1016/0002-8703(94)90424-3
UR  - https://pubmed.ncbi.nlm.nih.gov/8198015/
ID  - 8198015
ER  -