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Schwarz HP, Karl IE, Bier DM.Schwarz HP, et al. Among authors: karl ie.Anal Biochem. 1980 Nov 1;108(2):360-6. doi: 10.1016/0003-2697(80)90600-4.Anal Biochem. 1980.PMID: 7457882No abstract available.
Downey RS, Monafo WW, Karl IE, Matthews DE, Bier DM.Downey RS, et al. Among authors: karl ie.Surgery. 1986 Mar;99(3):265-74.Surgery. 1986.PMID: 3952652
Baran DT, Fausto AC, Roberts ML, Karl I, Avioli LV.Baran DT, et al.J Clin Invest. 1979 Oct;64(4):1112-7. doi: 10.1172/JCI109550.J Clin Invest. 1979.PMID: 225352Free PMC article.