TY - CONF AU - Fernández Sueiro, José Luis PY - 2012 SN - 2193-8210 UR - http://hdl.handle.net/20.500.11940/7821 LA - eng TI - Prevalence of psoriatic arthritis in psoriatic patients attending dermatologists' units in Spain: PREVAL study DO - 10.1007/s13555-012-0010-x VL - 2 ER -