Sume, Gerald Etapelong, Marie Kobela, Dieula Delissaint, Ditu Kazambu, and Irène Emah. “Case Based Measles Surveillance Performance in 2010, Littoral Region of Cameroon”. Journal of Public Health in Africa 5, no. 2 (March 17, 2014). Accessed March 31, 2023. https://publichealthinafrica.org/jphia/article/view/334.