Inyang-Etoh, Paul C., Mfoniso I. Udonkang, and Ade O. Adeboboye. 2015. “Occurrence of Intestinal Parasites Amongst Persons on Highly Active Antiretroviral Drug Therapy in Calabar, Cross River State, Nigeria”. Veterinary Science Development 5 (1). https://doi.org/10.4081/vsd.2015.5794.