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Krug EC, Frink CR.Krug EC, et al. Among authors: frink cr.Science. 1983 Aug 5;221(4610):520-5. doi: 10.1126/science.221.4610.520.Science. 1983.PMID: 17830936
Frink CR, Waggoner PE, Ausubel JH.Frink CR, et al.Proc Natl Acad Sci U S A. 1999 Feb 16;96(4):1175-80. doi: 10.1073/pnas.96.4.1175.Proc Natl Acad Sci U S A. 1999.PMID: 9989997Free PMC article.No abstract available.