Comparative study of vaginal, laparoscopically assisted vaginal and abdominal hysterectomies for uterine myoma larger than 6 cm in diameter or uterus weighing at least 450 g: a prospective randomized study. - Hwang,J.L.; Seow,K.M.; Tsai,Y.L. (Acta Obstet Gynecol Scand, 2002)