TY - RPRT TI - Atraumatic non-distorting pyloric sphincter pressure studies. AU - A J McShane AU - C O'Morain AU - J R Lennon AU - J B Coakley AU - B G Alton PY - 1980 DO - 10.1136/gut.21.10.826 UR - https://pubmed.ncbi.nlm.nih.gov/7439801/ ID - 7439801 ER -