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. 2015 Oct 13;42(4):319–328. doi: 10.1111/birt.12186

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© 2015 The Authors. Birth published by Wiley Periodicals, Inc.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Kaplan–Meier curve for comparing the duration of the epidural to the progression to suckling by the baby during the first hour, LLUMC, 2012. Note: The majority of these dyads also had exposure to synOT.