title: [Impact of perinatal mortality in multiple pregnancies over total perinatal mortality in a hospital in Monterrey, Nuevo León].
authors.affiliation: Hospital de Ginecoobstetricia Dr. Ignacio Morones, Instituto Mexicano del Seguro Social, Monterrey, Nuevo León, México. richdzher@hotmail.com
authors.forename: Ricardo Jorge
authors.initials: RJ
authors.lastname: Hernández-Herrera
authors.forename: Luis Fernando
authors.initials: LF
authors.lastname: Ramírez-Sánchez