Oliveira, Carlos Augusto Cardim de, Eduardo J Troster, and Crésio R Pereira. 2000. “ Inhaled Nitric Oxide in the Management of Persistent Pulmonary Hypertension of the Newborn: A Meta-Analysis ”. Revista Do Hospital Das Clínicas 55 (4): 145-54. https://doi.org/10.1590/S0041-87812000000400006.