15n-glycine was used as tracer in a quantity of 0.64 g of amino acid and 24 kcal per kg per day , that is at a 0.027 g per kcal . hour infusion rate , so that the infused 15n corresponded to 75 % of the total residual nitrogen in healthy subjects and 57 % in operated patients .
C0017890
glycine
C0002520
amino acid