title: [Frequency of the collective use of syringes among intravenous drug addicts].
mesh_terms: D006801:Humans; D007275:Injections, Intravenous; D013030:Spain; D019966:Substance-Related Disorders; D013594:Syringes
vernacular_title: Frecuencia del uso colectivo de jeringas entre drogodependientes por vía intravenosa.