Vitamin D status in children Roger Bouillon; Leen Antonio; Nick Narinx;

Alert for the high prevalence of vitamin D deficiency in adolescents in a large Brazilian sample Vanessa Radonsky; Marise Lazaretti-Castro; Maria Izabel Chiamolera; Rosa Paula Mello Biscolla; José Viana Lima Junior; José Gilberto Henriques Vieira; Cynthia Maria Alvares Brandão; Rodrigo Fernandes Ramalho; Sergio Setsuo Maeda; Marcia Wehba Esteves Cavichio;

Prevalence and functional status of children with complex chronic conditions in Brazilian PICUs during the COVID-19 pandemic José Colleti; Arnaldo Prata-Barbosa; Fernanda Lima-Setta; Orlei Ribeiro de Araujo; Nelson K. Horigoshi; Regina Grigolli Cesar; Andreia Aparecida Freitas Souza; Flávia Andrea Krepel Foronda; Carlos Gustavo de Almeida; Lara de Araujo Torreão; Francielly Crestani; Ana Paula de Carvalho Panzeri Carlotti; Pedro Celiny Ramos Garcia;