George G, Welte A, Govender K, Puren A, Toledo C, Kharsany AB, Chipeta Z, Cawood C, Zembe L, Khanyile D, Glenshaw MT, Grobler A, Madurai L, Mckinnon LR, Deyde VM, Samsunder N, Bere A, Frohlich JA, Abdool Karim Q
BMC Public Health
(2015)
https://doi.org/10.1186/s12889-015-2179-2
