Understanding the natural history of selective IgA deficiency Nayara Maria Furquim Nasser; Antonio Carlos Pastorino; Thais Costa Lima de Moura; Beni Morgenstern; Mayra de Barros Dorna; Ana Paula Beltran Moschione Castro;

The full blood count as a tool of differentiation between benign and malignant lymphadenopathy in pediatric and adolescent populations Mariana Moreira Magnabosco da Silva; Leniza Costa Lima Lichtvan; Thaís Cugler Meneghetti;

Physical activity and quality of life of children and adolescents with juvenile idiopathic arthritis, juvenile systemic lupus erythematosus and juvenile dermatomyositis during the COVID-19 pandemic Renata Soares; Fabiana de Carvalho Silva; Jade Dib Fernandez; Melissa Mariti Fraga; Maria Teresa Terreri; Claudio Arnaldo Len;