RT Journal Article SR Electronic T1 Intraarticular Botulinum Toxin A for Refractory Painful Total Knee Arthroplasty: A Randomized Controlled Trial JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 1534 OP 1534 DO 10.3899/jrheum.100336C1 VO 38 IS 7 YR 2011 UL http://www.jrheum.org/content/38/7/1534.1.abstract AB