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. 2012 Nov 30;10:153. doi: 10.1186/1741-7015-10-153

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Copyright ©2012 Zhao et al; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Gas chromatography/time-of-flight mass spectrometry (GC/TOF-MS) analysis. Orthogonal signal correction/partial least squares (OSC-PLS) scores plot of GC/TOF-MS data of plasma from the four phenotypes of polycystic ovary syndrome (PCOS) patients (red squares) and the controls (black triangles). (A) PCOS patients with hyperandrogenism (HA), anovulation (AO) and polycystic ovaries (PCO) (HA+AO+PCO) vs controls; (B) PCOS patients (AO+PCO) vs controls; (C) PCOS patients (HA+AO) vs controls; (D) PCOS patients (HA+PCO) vs controls.