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Continuous and bimonthly publicationISSN (on-line): 1806-3756
Cecilia Maria Patino1,2, Juliana Carvalho Ferreira1,3
DOI: http://dx.doi.org/10.1590/S1806-37562016000000114
Patino1 CM, 2 , Ferreira1 JC, 3 . What is the importance of calculating sample size?. J Bras Pneumol. 2016;42(2):162