“Effectiveness of Cellphone Calls in Reaching Children and Adolescents Lost to Follow-Up in an HIV Treatment Programme in Anambra State, Nigeria”. Tropical Journal of Medical Research 25, no. 1 (April 2, 2026): 33–42. Accessed October 23, 2026. https://tjmr.org.ng/index.php/tjmr/article/view/204.