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. 2022 Mar 7;119(12):e2117064119. doi: 10.1073/pnas.2117064119

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Copyright © 2022 the Author(s). Published by PNAS.

This article is distributed under Creative Commons Attribution-NonCommercial-NoDerivatives License 4.0 (CC BY-NC-ND).

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Fig. 1. — Distribution map for oxygen isotope compositions of annual precipitation (‰) across Northeast Asia (28, 42) and excavation locations for bone samples used in this study.