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. 2019 Oct 23;5(10):e02556. doi: 10.1016/j.heliyon.2019.e02556

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© 2019 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 11 — Reference topology recommended for phylogenetic analysis of HBV genotyping. For limited space, the subgenotypes of genotype F [F3(3 sequences), F4(2 sequences), F2(2 sequences) and F1(3 sequences) from the top down] were unmarked in the figure.