Dietz, V., van der Vaart, C. H., van der Graaf, Y., Heintz, P., & Schraffordt Koops, S. E. (2009). One-year follow-up after sacrospinous hysteropexy and vaginal hysterectomy for uterine descent: A randomized study. Springer-Verlag.

Dietz, Viviane, Carl H. van der Vaart, Yolanda van der Graaf, Peter Heintz, and Steven E. Schraffordt Koops. One-year Follow-up After Sacrospinous Hysteropexy and Vaginal Hysterectomy for Uterine Descent: A Randomized Study. Springer-Verlag, 2009.

Dietz, Viviane, et al. One-year Follow-up After Sacrospinous Hysteropexy and Vaginal Hysterectomy for Uterine Descent: A Randomized Study. Springer-Verlag, 2009.