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. 2014 Nov 26;9(11):e113721. doi: 10.1371/journal.pone.0113721

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© 2014 Zhang et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The weight of salivary gland shows no significant difference among individual groups. Sham1: Pre-sterilized water group; sham2: Pre+Post sterilized water group; sham3: Post-sterilized water group. Data is presented as means ± SEM. *: P<0.05 compared with normal group.