title: [Hour of incidence of traffic casualties. Description of the phenomenon that took place in the Federal District during 1974].
mesh_terms: D000063:Accidents, Traffic; D006801:Humans; D008800:Mexico; D013997:Time Factors
vernacular_title: Hora de ocurrencia de los hechos de tránsito. Descripción del fenómeno acontecido en el distrito federal durante el año de 1974.