Impact of Xpert MTB/RIF for TB diagnosis in a primary care clinic with high TB and HIV prevalence in South Africa: a pragmatic randomised trial. oleh Helen S Cox, Slindile Mbhele, Neisha Mohess, Andrew Whitelaw, Odelia Muller, Widaad Zemanay, Francesca Little, Virginia Azevedo, John Simpson, Catharina C Boehme, Mark P Nicol