TY  - RPRT
TI  - Ventilatory threshold: measurement and variation with age.
AU  - J D Posner
AU  - K M Gorman
AU  - H S Klein
AU  - C J Cline
PY  - 1987
DO  - 10.1152/jappl.1987.63.4.1519
UR  - https://pubmed.ncbi.nlm.nih.gov/3693190/
ID  - 3693190
ER  -