[1]
A. P. C. Silveira, L. G. Sípoli, V. S. Augusto, M. A. F. Xavier, and P. R. Evora, “Comparison among positive pressure, standard physioterapy and incentive spirometry after cardiac surgery: literature review”, Medicina (Ribeirão Preto), vol. 44, no. 4, pp. 338–346, Dec. 2011, doi: 10.11606/issn.2176-7262.v44i4p338-346.