Figure 1.

Distribution of CC and metacarpophalangeal joint (MCPJ) calcification in knee, hand, and pelvis radiographs in (a) all participants (n = 3118), and in (b) participants without knee or hip OA (n = 1,109).

Abhishek et al. Arthritis Research & Therapy 2012 14:R205   doi:10.1186/ar4043
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