article 1951 Endometriosis ovarii et peritonaei caused by hysterosalpingography ·doi:10.1016/0002-9378(51)90566-2
article 1950 Siddall, R. S., Mack, H. C.: Primary Endometriosis of the Cervix Uteri ·doi:10.1016/s0002-9378(15)33178-1
article 1949 Endometriosis as a cause of obstruction of the intestine ·doi:10.1016/0002-9378(49)90742-5