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Hiris E, Blake R.Hiris E, et al. Among authors: blake r.Proc Natl Acad Sci U S A. 1992 Oct 1;89(19):9025-8. doi: 10.1073/pnas.89.19.9025.Proc Natl Acad Sci U S A. 1992.PMID: 1409598Free PMC article.
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Hiris E, Blake R.Hiris E, et al. Among authors: blake r.Vis Neurosci. 1996 Jan-Feb;13(1):187-97. doi: 10.1017/s0952523800007227.Vis Neurosci. 1996.PMID: 8730999Clinical Trial.