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Boppart SA, Tearney GJ, Bouma BE, Southern JF, Brezinski ME, Fujimoto JG.Boppart SA, et al. Among authors: bouma be.Proc Natl Acad Sci U S A. 1997 Apr 29;94(9):4256-61. doi: 10.1073/pnas.94.9.4256.Proc Natl Acad Sci U S A. 1997.PMID: 9113976Free PMC article.