Decrease the number of patients lost to follow-up in the monitoring of PLHIV in cross-border areas between The Gambia, Senegal and Guinea Bissau. - Ibrahima Diop; Youssou Dieng; Youssou Faye; Camir A. Malack; Ousseynou Cisse; Boubacar Diouf (ICIST, 2019)