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Prevalence of hepatitis B and other infections among pregna..:

Htwe, Ohn ; Coates, Patrick Desmond ; Krasu, Mary...
https://research.usq.edu.au/download/cf855d967234ce965ddd28afcfc5e1c8c18885783323385576fde65db22a58c4/272207/Htwe_etal_BIMJ_v9n4_PV.pdf.  , 2013