The demographics of help-seeking for smoking cessation in California and the role of the California Smokers’ Helpline
Shu-Hong Zhu, Bradley Rosbrook, Christopher Anderson, Elizabeth Gilpin, Georgia Sadler, John P Pierce
Tobacco Control Jun 1995, 4 (Suppl 1) S9-S15; DOI: 10.1136/tc.4.suppl1.S9