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. 2022 Jun 6;114:87–92. doi: 10.1016/j.gr.2022.05.017

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© 2022 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved.

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Fig. 1 — Comparison of death rates in states located in low-, medium- and high-Se regions. (A) Case density without exclusion of states with case density of over 4.5 person/mile²; (B) Death rate without exclusion of states with case density of over 4.5 person/mile²; (C) Case density excluding those states with case density higher than 4.5 person/mile²; (D) Death rate excluding those states with case density higher than 4.5 person/mile².