Notice of duplicate publication.

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© 2008, Asian Journal of Andrology, SIMM and SJTU. All rights reserved. Asian Journal of Andrology (AJA) wishes to inform its readers of the following incident of duplicate publication. The article Molecular mechanism of epididymal protease inhibitor modulating the liquefaction of human semen [1] by Wang ZJ, Zhang W, Feng NH, Song NH, Wu HF and Sui YG, published in the Sep 2008 issue of AJA contains substantial data from the two original articles by Wang ZJ et al. [2] and O’Rand MG et al. [3] based on work performed by Dr Wang while in Dr O’Rand’s laboratory. Wang ZJ, et al. [1] used common data and identical text extensively without the permission of Dr. Michael G. O’Rand, the corresponding author of the two original articles [2, 3]. Specifically, Figures 2 and 3 in AJA [1] were same with Figures 6 and 7 in Biol Reprod [2], and Figure 4 in AJA [1] was the same with Figure 4 in Mol Cell Endocrinol [3]. Dr Wang ZJ is a co-author of original articles [2, 3] and cited these two original articles as references in Wang ZJ et al.[1].