Self-help quit smoking interventions: Effects of self-help materials, social support instructions, and telephone counseling.
- 1 January 1991
- journal article
- clinical trial
- Published by American Psychological Association (APA) in Journal of Consulting and Clinical Psychology
- Vol. 59 (3), 439-448
- https://doi.org/10.1037//0022-006x.59.3.439