TY - RPRT TI - Transmucosal potential-difference profile in rat upper gastrointestinal tract. A simple model for testing gastric effects of pharmacologic agents. AU - A Tarnawski AU - K J Ivey PY - 1978 DO - 10.1139/y78-070 UR - https://pubmed.ncbi.nlm.nih.gov/667721/ ID - 667721 ER -