Pérez-López Faustino R, Chedraui Peter
University of Zaragoza Faculty of Medicine and Lozano-Blesa University Hospital, Domingo Miral s/n, Zaragoza 50009, Spain.
Institute of Biomedicine, Facultad de Medicina, Universidad Católica de Santiago de Guayaquil, and Enrique C. Sotomayor Obstetrics and Gynecology Hospital, Guayaquil, Ecuador.
Maturitas. 2016 Jan;83:95-6. doi: 10.1016/j.maturitas.2015.09.006. Epub 2015 Sep 30.