Prevalence of and risk factors for hepatitis B virus infection among street-recruited young injection and non-injection heroin users in Barcelona, Madrid and Seville

1. Vallejo, F.
2. Toro, C.
3. De La Fuente, L.
4. Brugal, M.T.
5. Soriano, V.
6. Silva, T.C.
7. Bravo, M.J.
8. Ballesta, R.
9. Barrio, G.
10. Bru, F.
11. Domingo-Salvany, A.
12. Fernández, D.
13. González, F.
14. Jiménez, V.
15. Martínez, G.
16. Mejías, E.
17. Neira, M.
18. Pulido, J.
19. Royuela, L.
20. Ruiz, S.
21. Sánchez, F.
22. Vázquez, B.