Monitoring vendor compliance with tobacco sales laws: payment vs no payment approaches.

Autor: Cummings, K. Michael, Saunders-Martin, Tina, Clarke, Hillary, Perla, Jeanne
Předmět:
Zdroj: American Journal of Public Health; May96, Vol. 86 Issue 5, p750-751, 2p
Abstrakt: A letter to the editor is presented about tobacco sales laws.
Databáze: Complementary Index