Authors: Annaléne Nel; Cheryl Louw; Elizabeth Hellstrom; Sarah L Braunstein; Ina Treadwell; Melanie Marais; Martie de Villiers; Jannie Hugo; Inge Paschke; Chrisna Andersen; Janneke van de Wijgert Journal: PLoS One Date: 2011-08-10 Impact factor: 3.240
Authors: Taha E Taha; Newton I Kumwenda; George Kafulafula; Bonus Makanani; Chiwawa Nkhoma; Shu Chen; Amy Tsui; Donald R Hoover Journal: PLoS Clin Trials Date: 2007-02-23