article 1995 Intussusception of the appendix due to endometriosis. The American journal of gastroenterology
review 1972 The uterine factor in infertility Fertility and sterility ·doi:10.1016/s0015-0282(16)38772-6
other 1963 ADRENAL FUNCTION DURING LONG-TERM ENOVID ADMINISTRATION American journal of obstetrics and gynecology ·doi:10.1016/0002-9378(63)90092-9