Prognostic factors in HIV-infected heroin addicts: a multivariate analysis of nonspecific serological factors in the evolution of the infection

1. Echániz, P.
2. Larrañaga, P.
3. Arrizabalaga, J.
4. Jiménez, J.L.
5. Iribarren, J.A.
6. Cuadrado, E.