Khant, D. A., and D. M. Shah. “Comrarative Study On Effect Of Exercise Intensity On Cardiovascular Variables During Concentric And Eccentric Resistive Knee Extention Exercise On Healthy Male: A Comrarative Study of Effect of Exercise Intensity On Cardiovascular Variables”. National Journal of Integrated Research in Medicine, vol. 4, no. 6, Dec. 2013, pp. 117-22, doi:10.70284/njirm.v4i6.2263.