Authors: KOFFMAN DM LEE JW HOPP JW EMONT SL

Citation: Dm. Koffman et al., THE IMPACT OF INCLUDING INCENTIVES AND COMPETITION IN A WORKPLACE SMOKING CESSATION PROGRAM ON QUIT RATES, American journal of health promotion, 13(2), 1998, pp. 105-111

Authors: HOPKINS GL HOPP JW MARSHAK HPH NEISH C RHOADS G

Citation: Gl. Hopkins et al., AIDS RISK AMONG STUDENTS ATTENDING SEVENTH-DAY-ADVENTIST SCHOOLS IN NORTH-AMERICA, Journal of school health, 68(4), 1998, pp. 141-145

Authors: SWANSON JA LEE JW HOPP JW BERK LS

Citation: Ja. Swanson et al., THE IMPACT OF CAFFEINE USE ON TOBACCO CESSATION AND WITHDRAWAL, Addictive behaviors, 22(1), 1997, pp. 55-68

Authors: SWANSON JA LEE JW HOPP JW

Citation: Ja. Swanson et al., CAFFEINE AND NICOTINE - A REVIEW OF THEIR JOINT USE AND POSSIBLE INTERACTIVE EFFECTS IN TOBACCO WITHDRAWAL, Addictive behaviors, 19(3), 1994, pp. 229-256