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. 2014 Aug 28;8:295. doi: 10.3389/fnbeh.2014.00295

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Copyright © 2014 Weinstein, Bales, Maninger, Hostetler and Capitanio.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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There was a significant interaction between rank and the number of play friendships (F_(2,14) = 7.763, p = 0.005), such that high-ranking females with no play friendships had the highest OT levels, which decreased as the number of friendships increased.