TY - BOOK AU - Chapman,Jens R. AU - Dettori,Joseph R. AU - Norvell,Daniel C. TI - Spine classifications and severity measures SN - 9783131464415 PY - 2009/// CY - Dübendorf, Switzerland PB - AOSpine KW - Spinal Diseases KW - classification KW - Spinal Injuries KW - Trauma Severity Indices KW - Severity of Illness Index ER -