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Naser E, Mackey S, Arthur D, Klainin-Yobas P, Chen H, Creedy DK.Naser E, et al. Among authors: creedy dk.Midwifery. 2012 Dec;28(6):e865-71. doi: 10.1016/j.midw.2011.10.003. Epub 2011 Nov 10.Midwifery. 2012.PMID: 22079015