Is marijuana use becoming a ‘gateway’ to nicotine dependence?

Authors


GARY HUMFLEET
Associate Clinical Professor
UCSF Box 0939
San Francisco CA 94143–0939 USA
Tel: 415 476 7674
Fax: 415 502 8440
E-mail: hac@itsa.ucsf.edu

No abstract is available for this article.

Ancillary