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Stadel JM, Nambi P, Shorr RG, Sawyer DF, Caron MG, Lefkowitz RJ.Stadel JM, et al. Among authors: shorr rg.Proc Natl Acad Sci U S A. 1983 Jun;80(11):3173-7. doi: 10.1073/pnas.80.11.3173.Proc Natl Acad Sci U S A. 1983.PMID: 6304694Free PMC article.