a non-pepsin proteinase , proteinase 2 , was successfully isolated free from pepsinogen ( by repetitive chromatography on deae- and cm-celluloses ) from the gastric mucosa of a patient with a duodenal ulcer and the uninvaded mucosa of a patient with a gastric adenocarcinoma .
C0017136
gastric mucosa
C0278701
gastric adenocarcinoma