@article {Wilke407, author = {Loren Laine}, editor = {Wilke, William S.}, title = {Gi bleedings identifying the source}, volume = {61}, number = {6}, pages = {407--408}, year = {1994}, publisher = {Cleveland Clinic Journal of Medicine}, issn = {0891-1150}, URL = {https://www.ccjm.org/content/61/6/407}, eprint = {https://www.ccjm.org/content/61/6/407.full.pdf}, journal = {Cleveland Clinic Journal of Medicine} }