Ndukwu, Geraldine Ugochinyere, et al. “The Practice of Palliative Care Medicine in the Developing World: A Review of the Challenges in Providing Palliative Care Services in South-South Nigeria”. The Nigerian Health Journal, vol. 21, no. 1, Mar. 2021, pp. 1-10, https://www.tnhjph.com/index.php/tnhj/article/view/507.