and once [ pancreatic-adrenocortical-pituitary ( pap ) clamp technique ] the spontaneous responses of plasma glucagon , growth hormone , and cortisol to hypoglycemia were prevented by intravenous somatostatin and oral metyrapone , respectively , and each hormone was infused at variable rates , which reproduced spontaneous changes in their circulating concentrations in the control experiments .
C0017687
glucagon
C0020615
hypoglycemia