Van der Linde, Jeannie; Swanepoel, De Wet; Sommerville, Jaqui E.M.; Glascoe, Frances Page; Vinck, Bart M.; Louw, Elizabeth M.(Health and Medical Publishing Group, 2016-03)
Van der Linde, Jeannie; Swanepoel, De Wet; Glascoe, Frances Page; Louw, Elizabeth M.; Hugo, Johannes F.M.; Vinck, Bart M.(AOSIS OpenJournals, 2015-09-08)