Absence of pulmonary fibrosis in patients with psoriatic arthritis treated with weekly low-dose methotrexate

1. Belzunegui, J.
2. Intxausti, J.J.
3. De Dios, J.R.
4. López-Domínguez, L.
5. Queiro, R.
6. González, C.
7. Figueroa, M.