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Authors: Perez-Lopez, F. R.; Chedraui, P.; Cuadros-Lopez, J. L.
Document Type: Research Article
Affiliations: Department of Obstetrics and Gynecology, Universidad de Zaragoza, Facultad de Medicina, Domingo Miral s/n, Zaragoza 50009, Spain.
Publication date: February 1, 2010