^Duckworth WC, Hamel FG, Bennett R, Ryan MP, Roth RA (February 1990). "Human red blood cell insulin-degrading enzyme and rat skeletal muscle insulin protease share antigenic sites and generate identical products from insulin".The Journal of Biological Chemistry.265 (5):2984–7.PMID1689296.
^Ding L, Becker AB, Suzuki A, Roth RA (February 1992). "Comparison of the enzymatic and biochemical properties of human insulin-degrading enzyme and Escherichia coli protease III".The Journal of Biological Chemistry.267 (4):2414–20.PMID1733942.