article 2011 Multifaceted Study of Oral Contraceptive Use after Laparoscopic Surgery in Preventing Endometriosis Recurrence ·doi:10.1016/j.jmig.2011.08.504
article 2010 Post-Operative Use of Oral Contraceptives for Prevention of Endometrioma Recurrence after Laparoscopic Excision: Efficacy and Compliance Difficulties ·doi:10.1016/j.jmig.2010.08.482