1. Elektrokoagulation der Uterusschleimhaut zur Behandlung klimakterischer Blutungen;Bardenheuer;Zentralblatt fur Gynakol,1937
2. Cryosurgery of the uterine cavity;Cahan;Am J Obstet Gynecol,1967
3. Preliminary observations of cryocoagulation of the endometrium;Droegemueller;Am J Obstet Gynecol,1970
4. Cryosurgery in patients with dysfunctional uterine bleeding;Droegemueller;Obstet Gynecol,1971
5. Laser photovaporization of endometrium for the treatment of menorrhagia;Goldrath;Am J Obstet Gynecol,1981