Kim, J.-S., Oh, J.-S. and Kim, S.-G. (2023) “The correlation analysis between the estimation of VO₂max using the Harvard step test, Queens’ college step test, 90-90 Queens’ college step test, and the measured VO₂max value from Cardiopulmonary Exercise Testing (CPX)”, Journal for ReAttach Therapy and Developmental Diversities, 6(10s(2), pp. 1617–1621. doi: 10.53555/jrtdd.v6i10s(2).2004.