Palabras claves: Family, Friends, Health services accessibility, Latin America, Multicenter Study, PROTECTION, RISK FACTORS, Street drugs, Substance-Related Disorders
Autores: da Silva J., Eslava Albarracín D.G., Gallegos Torres R.M., Granados Hernández M., Jorge Bolívar Díaz, Loyola C.M.D., Oviedo Rodriguez R.J., Rodríguez Funes G.M., Vargens O.M.d.C., Ventura C.A.A.