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. 2019 Mar 14;9:4545. doi: 10.1038/s41598-019-41118-z

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Kaplan-Meier Estimates of the Effect of Tongxinluo or Placebo Treatment on Incidence of Major Cardiovascular Events. Curves indicate the first event rates of unstable angina pectoris, nonfatal myocardial infarction, cardiac death, revascularization, stroke and death in the intent-to-treat population from randomization to the first occurrence of a cardiovascular event, the last office or phone visit, or the day of death during follow-up. The inset upper right corner shows the same data on an enlarged axis.