G. Santini

Risk factors for human immunodeficiency virus infection in 581 intravenous drug users, northeast Italy, 1984-1988. The AIDS and Related Syndromes Study Group.

C. la Vecchia, S. Franceschi, D. Serraino, 1991, International journal of epidemiology.

Incidence of seroconversion and progression of HIV disease among intravenous drug abusers.

D. Serraino, U. Tirelli, E. Vaccher, 1989, Journal of acquired immune deficiency syndromes.