A multicenter, randomized, double-blind trial of a new porcine surfactant in premature infants with respiratory distress syndrome - Rebello, Celso Moura; Precioso, Alexander Roberto; Mascaretti, Renata Suman; Martinez, Francisco Eulogio; Mussi-Pinhata, Marisa Márcia; Ferri, Walusa Assad Gonçalves; Leone, Cléa Rodrigues; Diniz, Edna Maria de Albuquerque; Cardoso, Maria Regina Alves (Einstein, 2014)