TY - JOUR T1 - Cervical manipulation: How risky is it? JF - Canadian Medical Association Journal JO - CMAJ SP - 752 LP - 752 VL - 164 IS - 6 AU - John W. Norris Y1 - 2001/03/20 UR - http://www.cmaj.ca/content/164/6/752.1.abstract ER -