Skovdal M, Schaefer R, Sherr L, Munyati S, Campbell C, Eaton JW, Nyamukapa CA, Hallett TB, Gregson S, Garnett GP, Takaruza A, Mason P, Mugurungi O, Rhead R, Maswera R, Mutsvangwa J, Mayini J
BMJ Open, 2017 ; 7 : 6 Oct