A 24-year-old white male presented with a 2-year history of changes to his nails. He stated that the white discoloration had never completely resolved but improved from time to time with the nails ...

24 The following analyses were carried out: (1) osteoclast-differentiation assays with tartrate-resistant acid phosphatase (TRAP) staining in 11 patients with RA (8 females, 3 males; mean±SD age: ...