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Continuous and bimonthly publicationISSN (on-line): 1806-3756
Cecilia Maria Patino1,2 Juliana Carvalho Ferreira,1,3
DOI: http://dx.doi.org/10.1590/S1806-37562017000000099
Patino1 CM, Ferreira 2JC, 1 , 3 . Propensity scores: a tool to help quantify treatment effects in observational studies. J Bras Pneumol. 2017;43(2):86