title: [Serum gastrin concentration in gastroduodenal diseases. (Fasting serum gastrin concentration)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004378:Duodenal Diseases / Q000097:blood*; D005215:Fasting; D005260:Female; D005755:Gastrins / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013272:Stomach Diseases / Q000097:blood*
chemical_list: D005755:Gastrins