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APA Citation
Maslow, C. B., Caramanica, K., Welch, A. E., Stellman, S. D., Brackbill, R. M., & Farfel, M. R. (2015). trajectories of Scores on a Screening Instrument for PTSD Among World Trade Center Rescue, Recovery, and Clean‐Up Workers. Journal of traumatic stress, 28(3), 198–205. http://access.bl.uk/ark:/81055/vdc_100073579313.0x000049