Berquó, Laura S, Aluísio J D Barros, Rosângela C Lima, and Andréa D Bertoldi. 2004. “ Use of Drugs to Treat Respiratory Tract Infections in the Community ”. Revista De Saúde Pública 38 (3): 358-64. https://doi.org/10.1590/S0034-89102004000300004.