Factors associated with routine vaccination card retention among children aged 0–59 months in Yaounde-Cameroon: A cross-sectional survey
PLoS Medicine,
by Martin Ndinakie Yakum, Atanga D. Funwie, Atem Bethel Ajong, Marcellin Tsafack, Linda Evans Eba Ze, Ekome Serge Raoul Ekukole…