Perales María, Artal Raul, Lucia Alejandro
Research Institute of Hospital 12 de Octubre (i?+?12), Madrid, Spain2Camilo José Cela University, Madrid, Spain.
Department of Obstetrics, Gynecology, and Women's Health, Saint Louis University, Saint Louis, Missouri.
JAMA. 2017 Mar 21;317(11):1113-1114. doi: 10.1001/jama.2017.0593.