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. 2021 Sep 1;50(D1):D678–D686. doi: 10.1093/nar/gkab763

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© The Author(s) 2021. Published by Oxford University Press on behalf of Nucleic Acids Research.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://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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Figure 2. — Statistics of OlfactionBase. (A) Numbers of OR-odorant pairs in humans and mouse, (B) numbers of olfactory receptors, (C) numbers of odors, (D) numbers of chemicals, (E) number of other proteins related to olfaction.