title: Letter: Gastrin and hyperplasia of the gastric glands.
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D005755:Gastrins / Q000494:pharmacology*; D007421:Intestine, Small / Q000502:physiology; D051381:Rats; D013270:Stomach / Q000502:physiology*
chemical_list: D005755:Gastrins