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. 2020 Feb 7;158(1):386–392. doi: 10.1016/j.chest.2019.12.048

Figure 1.

Figure 1

Flowchart for inclusion and analysis of Amazon Mechanical Turk respondents. CMS = Centers for Medicare & Medicaid Services; NCCN = National Comprehensive Cancer Network; USPSTF = United States Preventive Services Task Force.