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Besada E, Frauens BJ, Schatz S.Besada E, et al. Among authors: schatz s.Optom Vis Sci. 2004 Aug;81(8):578-85. doi: 10.1097/01.opx.0000141792.16683.91.Optom Vis Sci. 2004.PMID: 15300115
Shoff M, Rogerson A, Schatz S, Seal D.Shoff M, et al. Among authors: schatz s.Optom Vis Sci. 2007 Mar;84(3):202-7. doi: 10.1097/OPX.0b013e3180339f81.Optom Vis Sci. 2007.PMID: 17435534
Shoff ME, Rogerson A, Kessler K, Schatz S, Seal DV.Shoff ME, et al. Among authors: schatz s.J Water Health. 2008 Mar;6(1):99-104. doi: 10.2166/wh.2007.014.J Water Health. 2008.PMID: 17998610