Gomez, Irma Douglas, Marilia de Dirceu Silva, Maria Poliana Bueno, Dirceu Solé, and Charles Kirov Naspitz. 1998. “Protective Effects of Different Doses of Inhaled Fenoterol on Methacholine-Induced Bronchoconstriction in Asthmatic Children”. São Paulo Medical Journal 116 (6):1834-37. https://periodicosapm.emnuvens.com.br/spmj/article/view/2383.