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Bernardes LS, Ottolia JF, Cecchini M, Filho AGA, Teixeira MJ, Francisco RPV, de Andrade DC; Grupo de Estudo da Dor Fetal (Fetal Pain Study Group).Bernardes LS, et al.Pain Rep. 2018 Jul 31;3(5):e673. doi: 10.1097/PR9.0000000000000673. eCollection 2018 Sep-Oct.Pain Rep. 2018.PMID: 30534624Free PMC article.