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. 2016 May 3;124(9):1436–1442. doi: 10.1289/EHP195

Figure 1.

Figure 1

Overview of Shanghai Textile Worker Study. Most of the workers retired between 1992 and 2001. Of the 587 subjects in the 2011 follow-up survey, 464 consented to and received high-resolution computed tomography of the chest. Abbreviations: ATS, American Thoracic Society; CT, computed tomography.