A systematic review and meta-analysis comparing surgical and oncological outcomes of upper rectal, rectosigmoid and sigmoid tumours: Upper rectal cancer

1. Morarasu, S.
2. O'Brien, L.
3. Clancy, C.
4. Dietrich, D.
5. Maurer, C.A.
6. Frasson, M.
7. Garcia-Granero, E.
8. Martin, S.T.