Injecting, sexual risk behaviors and HIV infection in young cocaine and heroin users in Spain project itinere group

1. Brugal, M.T.
2. Pulido, J.
3. Toro, C.
4. De La Fuente, L.
5. Bravo, M.J.
6. Ballesta, R.
7. Soriano, V.
8. Barrio, G.
9. Vallejo, F.
10. Domingo-Salvany, A.
11. Castellano, Y.