Onuegbu, J.A., Usman, S.O., Meludu, S.C. and Olisekodiaka, J.M. 2015. Effect of moderate and vigorous physical exercises on serum immunoglobulins G and M of healthy male individuals in Anambra State. International Journal of Clinical Trials. 2, 2 (May 2015), 47–50. DOI:https://doi.org/10.5455/2349-3259.ijct20150505.