Thompson B, Fries E, Hopp HP, Bowen DJ, Croyle RT. The feasibility of a proactive stepped care model for worksite smoking cessation. Health Educ Res. 1995 Dec;10(4):455-465.
Thompson B, Fries E, Hopp HP, Bowen DJ, Croyle RT. The feasibility of a proactive stepped care model for worksite smoking cessation. Health Educ Res. 1995 Dec;10(4):455-465.