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Rice, B.D., Bätzing-Feigenbaum, J., Hosegood, V., Tanser, F., Hill, C., Barnighausen, T., Herbst, K., Welz, T. and Newell, M.-L. (2007) Population and antenatal-based HIV prevalence estimates in a high contracepting female population in rural South Africa. BMC Public Health, 7 . ISSN 1471-2458