Schurink, W.J.; Kruger, Christa; Bergh, Anne-Marie; Van Staden, C.W. (Werdie); Roos, J.L. (Johannes Louw); Pickworth, Glynis Ellen; Joubert, Pierre M.; Du Preez, Renata; Grey, Somarie V.; Lindeque, B. Gerhard(South African Academy of Family Practice, 2006)