Macrophage Activation Syndrome Associated with Etanercept in a Child with Systemic Onset Juvenile Idiopathic Arthritis - Aikawa, Nadia Emi; Carvalho, Jozélio Freire de; Bonfá, Eloísa; Lotito, Ana Paola Navarrette; Silva, Clovis Artur A. (Israel Medical Association Journal, 2009)