title: The secretion of pepsin 1 in peptic ulceration and its relationship to activity.
mesh_terms: D002403:Cathepsins / Q000378:metabolism*; D004381:Duodenal Ulcer / Q000201:enzymology*; D007328:Insulin; D007527:Isoenzymes / Q000378:metabolism; D010434:Pepsin A / Q000378:metabolism; D010455:Peptides
chemical_list: D007328:Insulin; D007527:Isoenzymes; D010455:Peptides; D002403:Cathepsins; D010434:Pepsin A