Silva, E.S., Gouvêa, T., Pinto, J.M., Gomes, T.C.O., Rocha, L.S. de O., Avila, P.E.S. and Rocha, R.S.B. 2017. Evaluation of pulmonary function in different phases of heart valve replacement surgery. Pará Research Medical Journal. 1, 2 (Sep. 2017), 1–5. DOI:https://doi.org/10.4322/prmj.2017.016.