Campos, Lúcia Maria de Arruda, Maria Helena B. Kiss, Élbio A. D'Amico, and Clóvis Artur Almeida Silva. 2003. “ Antiphospholipid Antibodies in 57 Children and Adolescents With Systemic Lupus Erythematosus ”. Revista Do Hospital Das Clínicas 58 (3): 157-62. https://doi.org/10.1590/S0041-87812003000300005.