TY  - RPRT
TI  - Height-adjusted, rate-specific, single-stage step test for predicting maximal oxygen consumption.
AU  - K Francis
AU  - M Culpepper
PY  - 1989
DO  - 10.1097/00007611-198905000-00014
UR  - https://pubmed.ncbi.nlm.nih.gov/2717985/
ID  - 2717985
ER  -