6Leuschner H, Riedel H H, Anders M. Hysteroscopic survey from 1994 to 1996 in the eastern part of Germany. J Am Assoc Gynecol Laparose, 1997,4(4,Suppl):S28
7Castaing N, Darai E, Chuong T, et al. Mechanical and metabolic complications of hysteroscopic surgery: report of aretrospective study of 352 procedures. Contracept Fertil Sex, 1999,27(3):210～215
