Radiographs of interphalangeal joints from paws of wild-type versus ank/ank mice. We show 8-week-old mice in (A) and (B); 12-week-old mice in (C) and (D); and 18-week-old mice in (E) and (F). White arrows show increased calcification in the interphalangeal joints.
Las Heras et al. Arthritis Research & Therapy 2011 13:R163 doi:10.1186/ar3482