TY - JOUR AN - 10 AU - McWilliams,L.A. AU - Cox,B.J. AU - Enns,M.W. TI - Mood and anxiety disorders associated with chronic pain: an examination in a nationally representative sample. JO - Pain PY - 2003 VL - 106 (1–2) SP - 127-133 M2 - 127 DO - 10.1016/S0304-3959(03)00301-4 ER -