Sentinel surveillance of HIV infection in HIV test clinics, Spain 1992-2002.

1. Barrasa, A.
2. Castilla, J.
3. del Romero, J.
4. Pueyo, I.
5. de Armas, C.
6. Varela, J.A.
7. Ureña, J.M.
8. Bru, F.J.
9. Ordoñana, J.R.
10. Sáez de Vicuña, L.M.