Zhonghua Yi Xue Za Zhi. 2001 May 10; 81(9):568-9.

[Zhonghua Yi Xue Za Zhi. 2001]

Akush Ginekol (Mosk). 1982 Oct; (10):49-51.

[Akush Ginekol (Mosk). 1982]

Int J Gynaecol Obstet. 2001 May; 73(2):125-9.

[Int J Gynaecol Obstet. 2001]

J Am Assoc Gynecol Laparosc. 1995 Nov; 3(1):99-101.

[J Am Assoc Gynecol Laparosc. 1995]

J Obstet Gynaecol Can. 2003 Aug; 25(8):641-8.

[J Obstet Gynaecol Can. 2003]