article 2020 “Invasive and Non-invasive Methods for the Diagnosis of Endometriosis” (2010), by Albert L. Hsu, Izabella Khachikyan, and Pamela Stratton
article 2019 “Endometriosis and Pelvic Pain: Epidemiological Evidence of the Relationship and Implications” (2005), by Arnaud Fauconnier and Charles Chapron