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Hausdorff WP, Campbell PT, Ostrowski J, Yu SS, Caron MG, Lefkowitz RJ.Hausdorff WP, et al. Among authors: ostrowski j.Proc Natl Acad Sci U S A. 1991 Apr 15;88(8):2979-83. doi: 10.1073/pnas.88.8.2979.Proc Natl Acad Sci U S A. 1991.PMID: 1849641Free PMC article.