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;

Asthma mortality in children and adolescents of Brazil over a 20¿year period Raquel Reis Pitchon; Cristina Gonçalves Alvim; Cláudia Ribeiro de Andrade; Laura Maria de Lima Belizário Facury Lasmar; Álvaro Augusto Cruz; Adriana Pitchon dos Reis;

Distal intestinal obstruction syndrome: a diagnostic and therapeutic challenge in cystic fibrosis Natascha S. Sandy; Lilian H.P. Massabki; Aline C. Gonçalves; Antonio F. Ribeiro; Jose D. Ribeiro; Maria de Fátima C.P. Servidoni; Elizete A. Lomazi;