Lack of association between ankylosing spondylitis and a functional polymorphism of PTPN22 proposed as a general susceptibility marker for autoimmunity [5]

1. Orozco, G.
2. García-Porrúa, C.
3. López-Nevot, M.Á.
4. Raya, E.
5. González-Gay, M.Á.
6. Martín, J.