Low back pain in adolescents and association with sociodemographic factors, electronic devices, physical activity and mental health Thiago Paulo Frascareli Bento; Guilherme Porfirio Cornelio; Priscila de Oliveira Perrucini; Sandra Fiorelli Almeida Penteado Simeão; Marta Helena Souza de Conti; Alberto de Vitta;

Factors associated with leprosy in children contacts of notified adults in an endemic region of Midwest Brazil Thaísa S.V. Rodrigues; Luciane C. Gomes; Denise C.B. Cortela; Eliane A. Silva; Cristiane A.L. Silva; Silvana M.B. Ferreira;

Prevalence and impact of asthma in schoolchildren in the city of Caxias do Sul¿RS Daniel Zacaron; Cristian Roncada; Rossano Sartori Dal Molin; Marcus Herbert Jones; Paulo Condessa Pitrez;