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Franklin JC, Cafiso DS, Flewelling RF, Hubbell WL.Franklin JC, et al. Among authors: flewelling rf.Biophys J. 1993 Mar;64(3):642-53. doi: 10.1016/S0006-3495(93)81423-1.Biophys J. 1993.PMID: 8386011Free PMC article.