@misc{indiciaea5a850195203, title = {Gastrointestinal surgery for intractable ulcer.}, author = {R M Zollinger}, year = {1978}, doi = {10.1016/s0039-6109(16)41634-8}, url = {https://pubmed.ncbi.nlm.nih.gov/364697/}, note = {Source identifier: 364697} }