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. 2022 Aug 30;12:947658. doi: 10.3389/fonc.2022.947658

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Copyright © 2022 Zhao, Jiao, Ma, Yan, Li, Hu, Li and Du

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The contributions of different countries/regions to research concerning drug resistance and colorectal cancer. (A) The number of publications, citation frequency (×0.05), and H-index (×5) in the top 10 countries or regions; (B) The cooperation of countries/regions from 2002 to 2021; more lines emanating from a country indicate closer international cooperation; (C) Top 10 countries with the strongest citation bursts. The blue line represents the time axis, and the red portion on the blue time axis represents the interval at which the burst was found, including the start year, end year, and burst duration.