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. 2021 Aug 12;11:683232. doi: 10.3389/fonc.2021.683232

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Copyright © 2021 Luo, Shi, Wang, Zhang, Chen, Yu, Su and Tian

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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(A) Number of annual research publications and growth trends on the topic of anesthesia and tumor prognosis from 2001 to 2020, export of results from Web of Sciences (https://wcs.webofknowledge.com). (B) Number of annual publications and growth trends of the top 10 countries/regions on research in anesthesia and tumor prognosis from 2001 to 2021, export of results from the Online Analysis Platform of Literature Metrology (http://biblimetric.com). Bar chart reflects number of online articles online per year.