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Peul WC, van Houwelingen HC, van den Hout WB, Brand R, Eekhof JA, Tans JT, Thomeer RT, Koes BW, Leiden-The Hague Spine Intervention Prognostic Study Group Leiden-The Hague Spine Intervention Prognostic Study Group,
Surgery versus prolonged conservative treatment for sciatica.
N Engl J Med. 2007 May 31;356(22):2245-56