@misc{indiciae5d1bf1499a26, title = {Risk factors in ulcerative colitis.}, author = {T Gilat and P Lilos and Y Benaroya and Z Zemishlany and J Ribak}, year = {1976}, doi = {10.1159/000197963}, url = {https://pubmed.ncbi.nlm.nih.gov/976624/}, note = {Source identifier: 976624} }