@misc{indiciae7bac1b19ec01, title = {Lower gastrointestinal bleeding.}, author = {A M Vernava and B A Moore and W E Longo and F E Johnson}, year = {1997}, doi = {10.1007/bf02055445}, url = {https://pubmed.ncbi.nlm.nih.gov/9221865/}, note = {Source identifier: 9221865} }