@article {caffo2007brain,
	title = {Are Brain Volumes based on Magnetic Resonance Imaging Mediators of the Associations of Cumulative Lead Dose with Cognitive Function?},
	journal = {American Journal of Epidemiology},
	volume = {167},
	number = {4},
	year = {2007},
	pages = {429{\textendash}437},
	publisher = {Oxford Univ Press},
	author = {Caffo, B and Chen, S and Stewart, W and Bolla, K and Yousem, D and Davatzikos, C. and Schwartz, B}
}
