case-report 2019 Umbilical endometriosis (Villar's nodule) American journal of obstetrics and gynecology ·doi:10.1016/j.ajog.2019.04.032
case-report 2018 A Rare Case of Ectopic Pregnancy at a Previous Laparoscopic Adenomyomectomy Scar Journal of Minimally Invasive Gynecology ·doi:10.1016/j.jmig.2018.05.016