@misc{indiciae353f276cd33d, title = {Malignancy in ulcerative colitis.}, author = {N Kvist and O Jacobsen and H K Kvist and P Nørgaard and H H Ockelmann and G Schou and S Jarnum}, year = {1989}, doi = {10.3109/00365528909093080}, url = {https://pubmed.ncbi.nlm.nih.gov/2781242/}, note = {Source identifier: 2781242} }