High disease activity: An independent factor for reduced immunogenicity of the pandemic influenza a vaccine in patients with juvenile systemic lupus erythematosus - Campos, Lucia M. A.; Silva, Clovis A.; Aikawwa, Nadia E.; Jesus, Adriana A.; Moraes, Julio C. B.; Miraglia, Joao; Ishida, Maria A.; Bueno, Cleonice; Pereira, Rosa M. R.; Bonfa, Eloisa (Arthritis Care & Research, 2013)