Pain and prejudice.
Nampiaparampil DE, Nampiaparampil JX, Harden RN.
Nampiaparampil DE, et al. Among authors: harden rn.
Pain Med. 2009 May-Jun;10(4):716-21. doi: 10.1111/j.1526-4637.2009.00612.x. Epub 2009 Apr 22.
Pain Med. 2009.
PMID: 19453964
Clinical Trial.