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Figure 2 displays odor-elicited PTSD symptomatology, measured on 100mm visual analog scales, in combat veterans. Combat veterans with PTSD (CV+PTSD) compared to combat controls (CV−PTSD) rated burning rubber (BR) and cigarette smoke (SMK), but not lavender (LAV) or an odorless control (PG), as eliciting significantly more memories of trauma. *=p<.05
