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Agan, TU, EI Archibong, JE Ekabua, EI Ekanem, S E. Abeshi, TA Edentekhe, und EE Bassey. Trends in Maternal Mortality At the University of Calabar Teaching Hospital, Nigeria, 1999–2009. Dove Medical Press, 2010.

Agan, TU, et al. Trends in Maternal Mortality At the University of Calabar Teaching Hospital, Nigeria, 1999–2009. Dove Medical Press, 2010.