1. Five classes of extended hysterectomy for women with cervical cancer;Piver;Obstet Gynecol,1974
2. How important is removal of the parametrium at surgery for carcinoma of the cervix?;Covens;Gynecol Oncol,2002
3. Die Operation des Gebaermutterkrebs mittel des Schuchardtschen Paravaginalschnittes [in German];Schauta;Monatsschr Geburtshiffe Gynaekol,1902
4. The extended abdominal operation for carcinoma uteri;Wertheim;Am J Obstet Gynecol,1912
5. Zur Anatomic und technik der enveiterten vaginalaen karzinom operation [in German];Amreich;Arch Gynak,1924