GLIMELIUS, B., and L. PÅHLMAN. 2001. “Preoperative Radiotherapy for Rectal Cancer: Hypofractionation With Multiple Fractions (15-25 Gy)”. Annali Italiani Di Chirurgia 72 (5):539-47. https://annaliitalianidichirurgia.it/index.php/aic/article/view/1367.