Authors: Keeler, TE Hu, TW Manning, WG Sung, HY

Citation: Te. Keeler et al., State tobacco taxation, education and smoking: Controlling for the effectsof omitted variables, NAT TAX J, 54(1), 2001, pp. 83-102

Authors: Hu, TW Sung, HY Keeler, TE Marciniak, M

Citation: Tw. Hu et al., Cigarette consumption and sales of nicotine replacement products, TOB CONTROL, 9, 2000, pp. 60-63