9Gruber KA,Whitaker JM,Buckalew VM Jr.Endogenous digitalis-like substance in plasma of volume-expanded dogs[J].Nature,1980,287:743-745.
10Hamlyn JM,Lu ZR,Manunta P,et al.Observation on the nature,biosynthesis,secretion,and significance of endogenous ouabain[J].Clin Exp Hypertens,1998,20:523-533.