1. Hyrtl J. Lehrbuch der anatomie des Menschen. Wilhelm Braumuller, Wien. 12. Aufl. 1873. pp. 848-53.
2. Study of the supportive structures of the uterus by levator myography;Bergas;Surg Gynecol Obstet,1953
3. The pubocervical ligament, a separate structure from the urethral support (“pubourethral ligaments”);DeLancey;Neurourol Urodyn,1989
4. Structural aspects of the extrinsic continence mechanism;DeLancey;Obstet Gynecol,1988
5. Levator ani muscle anatomy evaluated by origin insertion pairs;Kearney;Obstet Gynecol,2004