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Urassa, WK; Kapiga, SH; Msamanga, GI; Antelman, G; Coley, J; Fawzi, WW; (2001) Risk factors for syphilis among HIV-1 infected pregnant women in Dar es Salaam, Tanzania. African journal of reproductive health, 5 (3). pp. 54-62. ISSN 1118-4841 https://researchonline.lshtm.ac.uk/id/eprint/9889 Full text not available from this repository.