“Analysis of cardiorespiratory fitness of 9-11 year old primary school children in Nigeria using blood pressure and vital capacity: Analysis of cardiorespiratory fitness of 9-11 year old primary school children in Nigeria using blood pressure and vital capacity”, gjohpersd, vol. 8, no. 1, pp. 68–80, June 2015, doi: 10.47963/gjohpersd.v8i.557.