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Zhang K, Wang J, Schwendeman E, Dawson-Elli D, Faber R, Sharps R.Zhang K, et al. Among authors: wang j.Appl Opt. 2002 Jun 1;41(16):3172-5. doi: 10.1364/ao.41.003172.Appl Opt. 2002.PMID: 12064397