@misc{indiciaeac2c26155a27, title = {Experimental ulcerative colitis produced by anticolon sera.}, author = {H H LEVEEN and G FALK and B SCHATMAN}, year = {1961}, doi = {10.1097/00000658-196108000-00014}, url = {https://pubmed.ncbi.nlm.nih.gov/13761326/}, note = {Source identifier: 13761326} }