The Predictive validity and effects of using transtheoretical model to increase physical activity of health workers at Dr. George Mukhari Hospital, South Africa

by Skaal, Linda
Published 2012

Screening and brief intervention for alcohol problems in Dr George Mukhari Hospital out-patients in Gauteng, South Africa: a single-blinded randomized controlled trial protocol

by Pengpid Supa, Peltzer Karl, Skaal Linda, van der Heever Hendry, Van Hal Guido
Published 2012-02-01

The efficacy of a brief intervention to reduce alcohol misuse in patients with HIV in South Africa: study protocol for a randomized controlled trial

by Huis in ’t Veld Diana, Skaal Linda, Peltzer Karl, Colebunders Robert, Ndimande John V, Pengpid Supa
Published 2012-10-01