New evidence for islet-cell origin of insulin-like activity in serum.
D007516:Adenoma, Islet Cell / Q000378:metabolism*; D001681:Biological Assay; D050260:Carbohydrate Metabolism; D003920:Diabetes Mellitus / Q000378:metabolism; D005947:Glucose / Q000378:metabolism*; D006801:Humans; D007275:Injections, Intravenous; D007328:Insulin / Q000097:blood; D014044:Tolbutamide / Q000494:pharmacology*
D007328:Insulin; D014044:Tolbutamide; D005947:Glucose