Towards universal voluntary HIV testing and counselling: a systematic review and meta-analysis of community-based approaches. oleh Amitabh B Suthar, Nathan Ford, Pamela J Bachanas, Vincent J Wong, Jay S Rajan, Alex K Saltzman, Olawale Ajose, Ade O Fakoya, Reuben M Granich, Eyerusalem K Negussie, Rachel C Baggaley