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Grossman RM, Krueger J, Yourish D, Granelli-Piperno A, Murphy DP, May LT, Kupper TS, Sehgal PB, Gottlieb AB.Grossman RM, et al.Proc Natl Acad Sci U S A. 1989 Aug;86(16):6367-71. doi: 10.1073/pnas.86.16.6367.Proc Natl Acad Sci U S A. 1989.PMID: 2474833Free PMC article.