L. J Clark, M Gatz, L Zheng, Y. L Chen, C McCleary and W. J. Mack
American Journal of Alzheimer's Disease and Other Dementias 24 ( 6 ): 461 - 468 , 2009
H Lavretsky, L Zheng, M. W Weiner, D Mungas, B Reed, J. H Kramer, W Jagust, H Chui and W. J. Mack
American Journal of Psychiatry 167 ( 5 ): 589 - 597 , 2010
A Towfighi, L Zheng and B. Ovbiagele
Archives of Internal Medicine 169 ( 19 ): 1762 - 1766 , 2009