Adherence to the cardiac surgery checklist decreased mortality at a teaching hospital: A retrospective cohort study Omar Asdrúbal Vilca Mejia; Frederico Carlos Cordeiro de Mendonça; Lucimar Aparecida Barrense Nogueira Sampaio; Filomena Regina Barbosa Gomes Galas; Mauricio Franklin Pontes; Luiz Fernando Caneo; Luís Roberto Palma Dallan; Luiz Augusto Ferreira Lisboa; João Fernando Monteiro Ferreira; Luís Alberto de Oliveira Dallan; Fabio Biscegli Jatene;

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