article 1973 Teen-age endometriosis American Journal of Obstetrics and Gynecology ·doi:10.1016/s0002-9378(16)33845-5
other 1967 Ovarian tumors in infancy, childhood, and adolescence American Journal of Obstetrics and Gynecology ·doi:10.1016/0002-9378(67)90244-x