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Showing articles 0 to 2 of 2 Filter Applied: cost effectiveness (Click to remove) Back Surgery -- Who Needs It? NEJM 356:2239-2245, Deyo,R.A., 2007 A 45-Year-Old Man with Low Back Pain and a Numb Left Foot JAMA 280:730-736, Weinstein,J.N., 1998 Showing articles 0 to 2 of 2