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. 2017 Dec 6;35(3):734–742. doi: 10.1093/molbev/msx308

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© The Author 2017. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Ratio of substitution rates estimated with stationary model over substitution rates estimated with nonstationary model. Sequences were simulated with changing G + C content and $ω = 0.1$ . Left: dN. Right: dS. θ_root: G + C frequency in the root sequence. θ_eq: G + C equilibrium frequency of the simulation model.