Relative prevalence of STI pathogens, vaginal conditions and HIV co-infection among STI patients attending Alexandra Health Centre, Gauteng Province, South Africa (2011-2013) - N.B. Sewpershad; I. Venter; L. Gumede; V. Kekane; G. de Gita; V. Maseko; D. Lewis (International Journal of Infectious Diseases, 2014)