«Normal Limits of Electrocardiogram and Cut-Off Values for Left Ventricular Hypertrophy in Young Adult Nigerians», NJPS, bd. 29, nr. 1, s. 063 –066, mai 2021, åpnet: 24. april 2026. [Online]. Tilgjengelig på: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1808