@article{longhi_appenzeller_centeville_gusmão_marini_2011,  title={Primary Sjögren's syndrome in children: is a family approach indicated?},  volume={66},  ISSN={1807-5932},  url={https://doi.org/10.1590/S1807-59322011001100023},  DOI={10.1590/S1807-59322011001100023},  number={11},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Longhi, Barbara S and Appenzeller, Simone and Centeville, Maraisa and Gusmão, Reinaldo J and Marini, Roberto},  year={2011},  pages={1991–1993} }