A cross-sectional study on levels of second-hand smoke in restaurants and bars in five cities in China

Autor: Liu, R L, Yang, Y, Travers, M J, Fong, G T, O’Connor, R J, Hyland, A, Li, L, Nan, Y, Feng, G Z, Li, Q, Jiang, Y
Zdroj: Tobacco Control, 2010 Oct 01. 19, i24-i29.
Databáze: JSTOR Journals