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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: J Occup Environ Med. 2017 Dec;59(Suppl 12):S13–S21. doi: 10.1097/JOM.0000000000001197

Figure 1.

Figure 1

Schematic of cohort enrollment into the study and participation in the medical monitoring program for TDI workers including questionnaires, spirometry, and implementation of medical evaluation.