Oliveira, Nelson, and Regina Sousa. “ Factors Associated With the Death of Motorcyclists in Traffic Accidents ”. Revista da Escola de Enfermagem da USP 46, no. 6 (December 1, 2012): 1379-1386. Accessed September 23, 2019. http://www.journals.usp.br/reeusp/article/view/52826.