TY  - RPRT
TI  - Master two-step exercise test in clinically unselected patients.
AU  - A J BRODY
PY  - 1959
DO  - 10.1001/jama.1959.03010270031008
UR  - https://pubmed.ncbi.nlm.nih.gov/13804650/
ID  - 13804650
ER  -