HIV treatment and care services for adolescents: a situational analysis of 218 facilities in 23 sub-Saharan African countries. - Mark, Daniella; Armstrong, Alice; Andrade, Catarina; Penazzato, Martina; Hatane, Luann; Taing, Lina; Runciman, Toby; Ferguson, Jane (Journal of the International AIDS Society, 2017)