@misc{indiciae335910e54f3d, title = {Endoscopically provoked diagnosis.}, author = {S C Stewart and D A Tobia and C Edwards}, year = {1977}, doi = {10.1016/s0016-5107(77)73443-1}, url = {https://pubmed.ncbi.nlm.nih.gov/892401/}, note = {Source identifier: 892401} }