@misc{indiciae73f38e5b35b7, title = {Gastroenterology.}, author = {R Hecker}, year = {1980}, doi = {10.5694/j.1326-5377.1980.tb134675.x}, url = {https://pubmed.ncbi.nlm.nih.gov/7374539/}, note = {Source identifier: 7374539} }