Peptides Containing The Sequence (pgl-gly-pro-trp-a-glu-glu- B-glu-b Ala-tyr- Gly-trp-met- Leu- Asp-phe- Tyr- Nh2, A Being Met, Leu Or Val, B Being Glu Or Ala, E.g., Gastrin Or Related Peptides, Etc. (c07k 99/30) Patents (Class 930/DIG630)