@misc{indiciae6c2cf1b9ba35, title = {Premedication for upper gastrointestinal endoscopy.}, author = {W A Ross}, doi = {10.1016/s0016-5107(89)72726-7}, url = {https://pubmed.ncbi.nlm.nih.gov/2565845/}, note = {Source identifier: 2565845} }