Treating like with like.
D000818:Animals; D001001:Anura; D002766:Cholecystokinin / Q000494:pharmacology; D005755:Gastrins / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D006801:Humans; D010437:Peptic Ulcer / Q000188:drug therapy; D010455:Peptides / Q000494:pharmacology* / Q000627:therapeutic use; D012867:Skin; D014020:Tissue Extracts
D005755:Gastrins; D010455:Peptides; D014020:Tissue Extracts; D002766:Cholecystokinin