Reclassifying causes of obstetric death in Mexico: A repeated cross-sectional study

Margaret C. Hogan, Biani Saavedra-Avendano, Blair G. Darney, Luis M. Torres-Palacios, Ana L. Rhenals-Osorio, Bertha L. Vázquez Sierra, Patricia N. Soliz-Sánchez, Emmanuela Gakidou, Rafael Lozano