1Gu L,Zhang L，Gu F，A prospective study on causal factors of fe-male infertility with laparoscopy and transvaginal B-ultrasound．Chung Hua Fu chan Ko Tsa Chih，1996，Jan,31(1):18．
2Topalski Fistes N，Bujas M，Pjevic M Infertility and end endometriosis．Med Prell，1997，Jan Feb50(1～2)：15．
