TY  - RPRT
TI  - Gradational step tests for assessing work capacity.
AU  - F J Nagle
AU  - B Balke
AU  - J P Naughton
PY  - 1965
DO  - 10.1152/jappl.1965.20.4.745
UR  - https://pubmed.ncbi.nlm.nih.gov/5838725/
ID  - 5838725
ER  -