Fig. 4From: 13C15N: glucagon-based novel isotope dilution mass spectrometry method for measurement of glucagon metabolism in humansGlucagon kinetic measurements from clinical samples using targeted mass spectrometry. Postprandial rates of appearance (A) and disappearance (B) of glucagon in a non-diabetic (blue) and diabetic (orange) participant applying isotope dilution technique with isotopically heavy glucagon tracersBack to article page