Singh, A., Zeig-Owens, R., Rabin, L., Schwartz, T., Webber, M. P., Appel, D., … & Hall, C. B. (2020). PTSD and depressive symptoms as potential mediators of the association between world trade center exposure and subjective cognitive concerns in rescue/recovery workers. International Journal of Environmental Research and Public Health17(16), 5683. DOI: 10.3390/ijerph17165683