Gülmezoglu, A. M., Say, L., Betrán, A. P., Villar, J., & Piaggio, G. (2004). WHO systematic review of maternal mortality and morbidity: Methodological issues and challenges. BioMed Central.
Stile di citazione ChicagoGülmezoglu, A Metin, Lale Say, Ana P. Betrán, Jose Villar, e Gilda Piaggio. WHO Systematic Review of Maternal Mortality and Morbidity: Methodological Issues and Challenges. BioMed Central, 2004.
Citazione MLAGülmezoglu, A Metin, et al. WHO Systematic Review of Maternal Mortality and Morbidity: Methodological Issues and Challenges. BioMed Central, 2004.
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