Duru, C. O., Chinawa, J. M., Peter, I. D., Aliyu, I. and Bode-Thomas, F. (2020) “Prevalence of valvar regurgitation in Nigerian children with structurally normal hearts using colour doppler echocardiography”, Journal of Cardiovascular Medicine and Cardiology, 7(3), pp. 262–267. doi: 10.17352/2455-2976.000149.