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. 2013 Sep 16;5(9):3634–3645. doi: 10.3390/nu5093634

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© 2013 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Inline graphic — Serum vitamin B₆ (a), vitamin B₁₂ (b) and folate (c), and erythrocyte folate (d) concentrations (mean ± SE) at four time-points for OCP ^a users (n = 9) and non-OCP users ■ (n = 13). Missing data for one OCP user at four weeks.

Serum vitamin B₆ (a), vitamin B₁₂ (b) and folate (c), and erythrocyte folate (d) concentrations (mean ± SE) at four time-points for OCP ^a users (n = 9) and non-OCP users ■ (n = 13). Missing data for one OCP user at four weeks.