K. A. de O. Braga, N. A. Nepomuceno, A. T. Correia, F. B. Jatene, and P. M. Pêgo-Fernandes, “The effects on mucociliary clearance of prednisone associated with bronchial section”, Clinics, vol. 67, no. 6, pp. 647–652, Jan. 2012, doi: 10.6061/clinics/2012(06)16.