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Hirsch MS, Phillips SM, Solnik C, Black PH, Schwartz RS, Carpenter CB.Hirsch MS, et al. Among authors: phillips sm.Proc Natl Acad Sci U S A. 1972 May;69(5):1069-72. doi: 10.1073/pnas.69.5.1069.Proc Natl Acad Sci U S A. 1972.PMID: 4402535Free PMC article.
Phillips SM, Carpenter CB, Lane P.Phillips SM, et al.Ann N Y Acad Sci. 1975 Feb 28;249:236-47. doi: 10.1111/j.1749-6632.1975.tb29071.x.Ann N Y Acad Sci. 1975.PMID: 48351