@Article{ LUNA_Lardelli-Claret_De_Barrio-_Vicente-:421-426,

author = { JUAN DE DIOS LUNA DEL CASTILLO and Pablo Ignacio Lardelli-Claret and L. De La Fuente- and G. Barrio- and J. Vicente- } ,

title = { DECLINING PREVALENCE OF INJECTION AS MAIN ROUTE OF ADMINISTRATION AMONG HEROIN USERS TREATED IN SPAIN, 1991-1993 },

journal = { European Journal Of Public Health },

year = { 1997 },

volume = { 7 },

pages = { 421-426 },

}