Colonoscopy surveillance following adenoma removal to reduce the risk of colorectal cancer: a retrospective cohort study oleh Amanda J Cross, Emma C Robbins, Kevin Pack, Iain Stenson, Paula L Kirby, Bhavita Patel, Matthew D Rutter, Andrew M Veitch, Brian P Saunders, Matthew Little, Alastair Gray, Stephen W Duffy, Kate Wooldrage