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Epstein RE, Schweitzer ME, Frieman BG, Fenlin JM Jr, Mitchell DG.Epstein RE, et al. Among authors: frieman bg.Radiology. 1993 May;187(2):479-81. doi: 10.1148/radiology.187.2.8475294.Radiology. 1993.PMID: 8475294
Fenlin JM Jr, Frieman BG.Fenlin JM Jr, et al. Among authors: frieman bg.Orthop Clin North Am. 1998 Jul;29(3):423-34. doi: 10.1016/s0030-5898(05)70018-3.Orthop Clin North Am. 1998.PMID: 9706289Review.