Quality improvement program in Latin America decreases mortality after cardiac surgery: a before-after intervention study - Mejia, Omar Asdrubal Vilca; Borgomoni, Gabrielle Barbosa; Dallan, Luís Roberto Palma; Mioto, Bruno Mahler; Accorsi, Tarso Augusto Duenhas; Lima, Eduardo Gomes; Soeiro, Alexandre de Matos; Lima, Felipe Gallego; Brandão, Carlos Manuel de Almeida; Pomerantzeff, Pablo Maria Alberto (International journal of surgery, 2022)