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Pedras S, Carvalho R, Pereira Mda G.Pedras S, et al.Rev Assoc Med Bras (1992). 2016 Apr;62(2):171-8. doi: 10.1590/1806-9282.62.02.171.Rev Assoc Med Bras (1992). 2016.PMID: 27167548Free article.
Costa S, Leite Â, Pinheiro M, Pedras S, Pereira MG.Costa S, et al. Among authors: pedras s.Psych J. 2020 Oct;9(5):707-715. doi: 10.1002/pchj.341. Epub 2020 Jan 30.Psych J. 2020.PMID: 32003154
Pereira MG, Machado JC, Sousa MR, Pedras S.Pereira MG, et al. Among authors: pedras s.Rev Assoc Med Bras (1992). 2014 Jul;60(4):318-26. doi: 10.1590/1806-9282.60.04.010.Rev Assoc Med Bras (1992). 2014.PMID: 25211415Free article.