article 1954 Clinical and experimental endometriosis American journal of obstetrics and gynecology ·doi:10.1016/0002-9378(54)90495-0
article 1946 A Comparative Analysis of the Diagnosis and Treatment of Endometriosis, Including a Report of Fifty-Three Cases of Intestinal Endometriosis American journal of obstetrics and gynecology ·doi:10.1016/s0002-9378(15)30119-8