Authors: Elizabeth L Corbett; Tsitsi Bandason; Trinh Duong; Ethel Dauya; Beauty Makamure; Gavin J Churchyard; Brian G Williams; Shungu S Munyati; Anthony E Butterworth; Peter R Mason; Stanley Mungofa; Richard J Hayes Journal: Lancet Date: 2010-10-09 Impact factor: 79.321