title: Gastrin heterogeneity: biological significance.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D004435:Eating; D005750:Gastric Juice / Q000378:metabolism*; D005753:Gastric Mucosa / Q000032:analysis; D005755:Gastrins / Q000097:blood / Q000494:pharmacology; D006801:Humans; D007413:Intestinal Mucosa / Q000032:analysis; D008970:Molecular Weight; D013045:Species Specificity; D013329:Structure-Activity Relationship
chemical_list: D005755:Gastrins