Investigating the Effect of Aloe vera Gel on the Buccal Permeability of Didanosine - Ojewole, Elizabeth; Mackraj, Irene; Akhundov, Kamil; Hamman, Josias; Viljoen, Alvaro; Olivier, Eugene; Wesley-Smith, James; Govender, Thirumala (Planta Medica, 2012)