Sexual risk, substance use, and psychological distress in HIV-positive gay and bisexual men who also inject drugs.
Iba?ez GE, Purcell DW, Stall R, Parsons JT, G?mez CA. Sexual risk, substance use, and psychological distress in HIV-positive gay and bisexual men who also inject drugs. AIDS. 2005 Apr; 19 Suppl 1:S49-55.