Knowledge and perceptions of couples' voluntary counseling and testing in urban Rwanda and Zambia: a cross-sectional household survey.
Kelley AL, Karita E, Sullivan PS, Katangulia F, Chomba E, Carael M, Telfair J, Dunham SM, Vwalika CM, Kautzman MG, et al. PLoS One. 2011 May 9; 6(5):e19573. Epub 2011 May 9.