Low-level smoking among Spanish-speaking Latino smokers: relationships with demographics, tobacco dependence, withdrawal, and cessation.
Reitzel LR, Costello TJ, Mazas CA, Vidrine JI, Businelle MS, Kendzor DE, Li Y, Cofta-Woerpel L, Wetter DW. Low-level smoking among Spanish-speaking Latino smokers: relationships with demographics, tobacco dependence, withdrawal, and cessation. Nicotine Tob Res. 2009 Feb; 11(2):178-84.