these identical properties for ribonuclease of rat liver , pancreas and serum support the hypothesis [ bartholeyns , peeters-joris & baudhuin ( 1975 ) eur . j. biochem . 60 , 385-393 ] of an extrahepatic origin for the liver enzyme , the plasma ribonuclease of pancreatic origin being taken up by endocytosis in the liver .
C0229671
serum
C0032105
plasma