TY  - RPRT
TI  - Treadmill exercise test performance index.
AU  - A J Miller
AU  - I M Grais
PY  - 1986
DO  - 10.1378/chest.89.4.617a
UR  - https://pubmed.ncbi.nlm.nih.gov/3956292/
ID  - 3956292
ER  -