@article{article9687b6b4,
title   = {Predictive performance of six mortality risk scores and the development of a novel model in a prospective cohort of patients undergoing valve surgery secondary to rheumatic fever},
author = {Mejia, Omar A. V and Dallan, Luis A. O and Pomerantzeff, Pablo M. A and Jatene, Fabio B},
year = {2018},
doi = {10.1371/journal.pone.0199277},
journal   = {PLOS ONE}
}