@article{Weitzman2005,
author = {Weitzman, E.R. and Chen, Y.-Y.},
title= {The co-occurrence of smoking and drinking among young adults in college: National survey results from the United States},
year = {2005},
doi = {10.1016/j.drugalcdep.2005.05.008},
journal = {Drug and Alcohol Dependence},
volume = {80},
number = {3},
pages = {377--386},
}