1. Unexplained infertility; a reappraisal;Drake;Obstet Gynecol,1977
2. Interval tubal sterilization via laparoscopy;Cohen,1970
3. A proposed classification of pelvic endometriosis;Acosta;Obstet Gynecol,1973
4. Incidence of endometriosis in diagnostic laparoscopy;Hasson;J Reprod Med,1976
5. Diagnostic laparoscopy: a prognostic aid in the surgical management of infertility;Israel;Am J Obstet Gynecol,1976