RT Journal Article SR Electronic T1 Optimizing Limb Position for Measuring Knee Anatomical Axis Alignment from Standing Knee Radiographs JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 472 OP 477 DO 10.3899/jrheum.080732 VO 36 IS 3 A1 T. DEREK V. COOKE A1 ELIZABETH A. SLED YR 2009 UL http://www.jrheum.org/content/36/3/472.abstract AB