Ochigbo, S. O., I. Venn, and A. Kingsley. “Prevalence of Bilirubin Encephalopathy in Calabar, South-South, Nigeria (A 5-Year Review)”. International Journal of Child Health and Nutrition, vol. 4, no. 4, Dec. 2015, pp. 246-50, doi:10.6000/1929-4247.2015.04.04.7.