Parry Charles, Pienaar David, Ataguba John, Volmink Jimmy, Kredo Tamara, Jere Mlenga, Siegfried Nandi
Alcohol, Tobacco and Other Drug Research Unit, Medical Research Council, Tygerberg, Cape Town, South Africa; Department of Psychiatry, Stellenbosch University, Tygerberg, Cape Town, South Africa.
S Afr Med J. 2015 Jan 15;105(2):80-1. doi: 10.7196/samj.9260.