1. administering Pentagastrin, it may be that in the active gastric ulcer patient there is an increase in;Baker, L.E.;J. biol. Chem; New synthetic substrates for pepsin,1951
2. Fractionation of pepsin;Herriott, R.M.; Desreux, V.; Northrop, J.H.;J. gen. Physiol,1940
3. Method for estimating peptic activity in gastric presence of an active gastric ulcer, since the activity pattern returns to normal when the ulcer heals;Hunt, J.N.,1948
4. Electrophoretic and immunochemical demonstration of the existence of four;Kushner, I.; Rapp, W.; Burtin, P.,1964
5. it is not possible to say whether the ulcer is causally related to the abnormal secretion or human pepsinogens;However;J. clin. Invest