@misc{indiciae0b88e293f734, title = {Research in gastrointestinal endoscopy.}, author = {F E Silverstein}, year = {1984}, doi = {10.1016/s0016-5107(84)72404-7}, url = {https://pubmed.ncbi.nlm.nih.gov/6479552/}, note = {Source identifier: 6479552} }