@misc{indiciae1ab4b5d3e1d1, title = {Studying ulcerative colitis over the World Wide Web.}, author = {R M Soetikno and D Provenzale and L A Lenert}, year = {1997}, url = {https://pubmed.ncbi.nlm.nih.gov/9068469/}, note = {Source identifier: 9068469} }