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. 2020 Feb 28;7:73. doi: 10.3389/fmed.2020.00073

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Copyright © 2020 Deng, Tian, Yang, Han, Wei, Zheng, Liu and Chen.

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) and the copyright owner(s) 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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Effect of probiotics on intestinal microbiota. (A), Shannon index; (B), Simpson index; (C), Observed species; (D), PCoA of β diversity index; (E), scalar-Venn representation. PB, probiotic group 3 days before bowel preparation (n = 16); PM, control group during bowel preparation (n = 16); PA, probiotic group 5–7 days after bowel preparation (Supplement the Bifidobacterium Tetragenous viable Bacteria Tablets after colonoscopy for up to 5–7 days, three tablets and three times a day) (n = 16). Data are presented as means ± SD. ns, P > 0.05; ^*P < 0.05.