RT Journal Article SR Electronic T1 Determining Metacarpophalangeal Flexion Angle Tolerance for Reliable Volumetric Joint Space Measurements by High-resolution Peripheral Quantitative Computed Tomography JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 2201 OP 2201 DO 10.3899/jrheum.160649.C1 VO 43 IS 12 YR 2016 UL http://www.jrheum.org/content/43/12/2201.abstract AB