SWART, H.; VAN DYK, S.; MALAN, S. The in vitro evaluation of the efficacy of five plants traditionally used for the treatment of sexually transmitted diseases. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt;, v. 21, n. 1, p. 19-21, 26 set. 2002.