African Health Sciences 2013; 13(2): 219 - 232 http://dx.doi.org/10.4314/ahs.v13i2.4
BMC Res Notes (2016) 9:182 DOI 10.1186/s13104-016-1993-7
JOURNAL OF THE ASSOCIATION OF NURSES IN AIDS CARE, Vol. 28, No. 2, March/April 2017, 186-198
http://dx.doi.org/10.1016/j.jana.2015.09.003
: a cluster-randomised trial.
Lancet Glob Health 2020; 8: e387–98