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Pettijohn KA, Pistone DV, Warner AL, Roush GJ, Biggs AT.Pettijohn KA, et al. Among authors: roush gj.Aerosp Med Hum Perform. 2020 Sep 1;91(9):703-709. doi: 10.3357/AMHP.5539.2020.Aerosp Med Hum Perform. 2020.PMID: 32867900