Crack use and injection on the increase among injecting drug users in London

Cocaine use and HIV infection in intravenous drug users in San Francisco

1989 • 145 citations

Changes in the injecting risk behaviour of injecting drug users in London, 1990-1993

1995 • 62 citations

Crack and cocaine use in South London drug addicts: 1987–1989

1990 • 37 citations

Crack Use and Human Immunodeficiency Virus Infection Among San Francisco Intravenous Drug Users

1992 • 31 citations

Who uses Cocaine? Social Profiles of Cocaine Users

1994 • 22 citations

A Qualitative Study of the Purchasing and Distribution Patterns of Cocaine and Crack Users in England and Wales

1995 • 16 citations