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Coppel RL, Favaloro JM, Crewther PE, Burkot TR, Bianco AE, Stahl HD, Kemp DJ, Anders RF, Brown GV.Coppel RL, et al. Among authors: crewther pe.Proc Natl Acad Sci U S A. 1985 Aug;82(15):5121-5. doi: 10.1073/pnas.82.15.5121.Proc Natl Acad Sci U S A. 1985.PMID: 2410913Free PMC article.