The effect of weekly short message service communication on patient retention in care in the first year after HIV diagnosis: study protocol for a randomised controlled trial (WelTel Retain)
Mia L van der Kop, David I Ojakaa, Anik Patel, Lehana Thabane, Koki Kinagwi, Anna Mia Ekström, Kirsten Smillie, Sarah Karanja, Patricia Awiti, Edward Mills, Carlo Marra, Lennie Bazira Kyomuhangi, Richard T Lester
BMJ Open Jun 2013, 3 (6) e003155; DOI: 10.1136/bmjopen-2013-003155