TY - JOUR T1 - Primary Sjögren's syndrome in children: is a family approach indicated? JO - Clinics A1 - Longhi, Barbara S A1 - Appenzeller, Simone A1 - Centeville, Maraisa A1 - Gusmão, Reinaldo J A1 - Marini, Roberto SN - 1807-5932 UL - 10.1590/S1807-59322011001100023 VL - 66 Y1 - 2011 PB - Brasil ER -