[Evaluation of serum gastrin levels during fasting in upper gastrointestinal diseases].
D004381:Duodenal Ulcer / Q000097:blood; D005215:Fasting; D005260:Female; D005755:Gastrins / Q000097:blood*; D006801:Humans; D008297:Male; D013272:Stomach Diseases / Q000097:blood*
D005755:Gastrins