Sharing of injection equipment among 3755 intravenous drug users in Valencia, Spain, 1987-1992

1. Hernández-aguado, I.
2. Ruiz, I.
3. Bolumar, F.
4. Pérez-hoyos, S.
5. Fernández-garcia, E.
6. Santos, C.
7. Torrella, A.
8. De La Hera, M.G.
9. Belda, J.
10. Aviñó, M.J.