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Shirado O, Zdeblick TA, McAfee PC, Cunningham BW, DeGroot H, Warden KE.Shirado O, et al. Among authors: mcafee pc.Spine (Phila Pa 1976). 1992 Jul;17(7):795-803. doi: 10.1097/00007632-199207000-00012.Spine (Phila Pa 1976). 1992.PMID: 1502645
Ruland CM, McAfee PC, Warden KE, Cunningham BW.Ruland CM, et al. Among authors: mcafee pc.Spine (Phila Pa 1976). 1991 Jun;16(6 Suppl):S270-6. doi: 10.1097/00007632-199106001-00019.Spine (Phila Pa 1976). 1991.PMID: 1862424