1. Peritoneal endometriosis, due to menstrual dissemination of endometrial tissue into peritoneal cavity;Sampson;Am J Obstet Gynecol,1927
2. The presence of endometrial cells in peritoneal fluid;Watkins;J Pacif Coast Soc Obstet,1937
3. Retrograde menstruation in women undergoing chronic peritoneal dialysis;Blumenkrantz;Obstet Gynecol,1981
4. Retrograde menstruation in healthy women and in patients with endometriosis;Halme;Obstet Gynecol,1984
5. Autoimmunity to endometrium and ovary in endometriosis;Mathur;Clin Exp Immunol,1982