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. 2018 Nov 7;19(11):3500. doi: 10.3390/ijms19113500

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© 2018 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 (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Pathological manifestations of the 5α-dihydrotestosterone (DHT)-induced polycystic ovary syndrome (PCOS) rat model and the effect of electro-acupuncture (EA). (A) Three typical oestrous cycle charts of rats from each group, P: Proestrus; E: Oestrus; M: Metestrus; D: Diestrus. (B) The ratio of Proestrus, Oestrus, Metestrus, and Diestrus stage to all observed oestrous cycles. All values are the mean ± standard error; * p < 0.05 vs. control group; ^# p < 0.05 vs. PCOS group. (C) Hematoxylin and eosin staining of paraffin-embedded sections from each group.