TY  - RPRT
TI  - A progressive shuttle run test to estimate maximal oxygen uptake.
AU  - R Ramsbottom
AU  - J Brewer
AU  - C Williams
PY  - 1988
DO  - 10.1136/bjsm.22.4.141
UR  - https://pubmed.ncbi.nlm.nih.gov/3228681/
ID  - 3228681
ER  -