Carlos Alberto de Castro Pereira1,a, Maria Raquel Soares1,b, Andréa Gimenez2,c
Pereira1 CAC, a , Soares1 MR, b , Gimenez2 A, c . The importance of appropriate reference values in patients suspected of having obstructive lung disease.. J Bras Pneumol. 2019;45(6):e20190299