@article {9742,
	title = {Regional grey and white matter changes in heavy male smokers},
	journal = {PLoS ONE},
	year = {2011},
	doi = {10.1371/journal.pone.0027440},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/22076160},
	author = {Rongjun Yu and Liyan Zhao and Lin Lu}
}
