@misc{indiciaeef9040da9b6d, title = {UNUSUAL GASTROINTESTINAL BLEEDING DIAGNOSED BY THE STRING TEST.}, author = {I S CLIFF}, year = {1965}, doi = {10.1097/00007611-196505000-00004}, url = {https://pubmed.ncbi.nlm.nih.gov/14280775/}, note = {Source identifier: 14280775} }