Media type: E-Article Title: Risk Factors for the Transition from Noninjection to Injection Drug Use and Accompanying AIDS Risk Behavior in a Cohort of Drug Users Contributor: van Ameijden, E. J. C.; van den Hoek, J. A. R.; Hartgers, C.; Coutinho, R. A. imprint: Oxford University Press (OUP), 1994 Published in: American Journal of Epidemiology Language: English DOI: 10.1093/oxfordjournals.aje.a116962 ISSN: 1476-6256; 0002-9262 Keywords: Epidemiology Origination: Footnote: