Li’e, C., Dongying, J., Dongying, J., Guiling, F., Tihua, Z., & Yanfei, W. (2017). The role of environmental tobacco exposure and Helicobacter pylori infection in the risk of chronic tonsillitis in children. São Paulo Medical Journal, 135(1), 29–33. Retrieved from https://periodicosapm.emnuvens.com.br/spmj/article/view/725