RT Journal Article SR Electronic T1 A Pilot Study of the Use of Pain Questionnaires in Vertebroplasty Research JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1510 A1 L.A. Gray A1 D.F. Kallmes YR 2009 UL http://www.ajnr.org/content/early/2009/03/11/ajnr.A1510.abstract AB