@Article{ DE_Barrio_Vicente_Bravo_LARDELLI:805-811,

author = { LUIS DE LA FUENTE and Gregorio Barrio and Javier Vicente and María José Bravo and PABLO IGNACIO LARDELLI CLARET } ,

title = { INTRAVENOUS ADMINISTRATION AMONG HEROIN USERS HAVING TREATMENT IN SPAIN. },

journal = { International Journal of Epidemiology },

year = { 1994 },

volume = { 23 },

pages = { 805-811 },

}