TY - CONF AU - GraƱa Gil, Genaro PY - 2012 SN - 0004-3591 UR - http://hdl.handle.net/20.500.11940/7491 LA - eng TI - Grey-scale ultrasonography with power Doppler technique: An available tool for the assessment of subclinical joint inflammatory activity in juvenile idiopathic arthritis VL - 64 ER -