An AIDS prevention program for homeless youth.

Larkin Street Youth Center (LSYC) is a multidisciplinary service center for homeless youth in San Francisco. This article describes the strategies developed by the medical clinic at LSYC for the prevention of human immunodeficiency virus infection.

Treatment of substance abuse in patients with HIV infection.

The dual diagnosis of AIDS and substance abuse raises serious clinical and ethical issues for health care providers. Often, there are barriers to the diagnosis and referral for substance abuse treatment in people with HIV infection. Countertransference is one such barrier.