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Andreasen NC, O'Leary DS, Cizadlo T, Arndt S, Rezai K, Ponto LL, Watkins GL, Hichwa RD.Andreasen NC, et al. Among authors: hichwa rd.Proc Natl Acad Sci U S A. 1996 Sep 3;93(18):9985-90. doi: 10.1073/pnas.93.18.9985.Proc Natl Acad Sci U S A. 1996.PMID: 8790444Free PMC article.