Validation of a brief screener for broad-spectrum mental and substance-use disorders in South Africa oleh Melissa Ann Stockton, Ernesha Webb Mazinyo, Lungelwa Mlanjeni, Kwanda Nogemane, Nondumiso Ngcelwane, Annika C. Sweetland, Cale Neil Basaraba, Charl Bezuidenhout, Griffin Sansbury, Kathryn L. Lovero, David Olivier, Christoffel Grobler, Melanie M. Wall, Andrew Medina-Marino, Phumza Nobatyi, Milton L. Wainberg