1. Charampat Israngkun Personal communication
2. Modern hysteroscopy: diagnostic and therapeutic potential;Cohen;Fertil Steril,1973
3. Simple sterilization of women by cautery structure at the intrauterine tubal openings compared with other methods;Dickinson;Surg Gynecol Obstet,1916
4. The diagnostic possibilities of a modified technique;Edström;Acta Obstet Gynecol Scand,1970
5. Tubal sterilization by cornual coagulation under hysteroscopy;Hayashi,1972