Mental health difficulties and related factors in Chinese children and adolescents during the COVID-19 pandemic: a cross-sectional study Tongtong Li; Chunhao Li; Guoquan Zhang; Naijian Zhang; Jing Li; Qinghan Ren; Wen Li; Zhenshu Li; Guowei Huang; Jing Yan;

Obstructive sleep apnea syndrome in children with cerebral palsy in Brazil: a multicenter study Bruno Leonardo Scofano Dias; Fernanda Marinho de Lima; Daniela Fava; Fernanda Jordão Pinto Marques; Frederico José de Carvalho Godinho; Alessandra Lemos de Carvalho; Sara Virgínia Paiva Santos; Fernanda de Lourdes da Cunha Pinto; Danielle Bruno Jardim; Wilerson Marques Bessa;

Thyroidectomy in children and adolescents: distinguishing benign from malignant thyroid nodules Mário Sérgio Rocha Macedo; Jônatas Catunda de Freitas; Débora Cabral Coutinho; Carina Marques Barroso; Sandra Regina Geroldo; Rhuce Pedrosa Carvalho; Letícia Siqueira Monte Alverne; Tamyres Ferreira Campos; Lívia Rolim Fernades Macedo; José Huygens Parente Garcia; Wellington Alves Filho;