Érica T. Portugal, A. P. P. Reis, A. Cardim, and P. M. dos S. Jacinto, “Post-traumatic Stress related to work in collective urban transport workers in Brazil”, Rev Enf Contemp, vol. 8, no. 1, pp. 41–48, Apr. 2019, doi: 10.17267/2317-3378rec.v8i1.1821.