Depression, apolipoprotein E genotype, and the incidence of mild cognitive impairment: A prospective cohort study

Yonas E. Geda, David S. Knopman, David A. Mrazek, Gregory A. Jicha, Glenn E. Smith, Selamawit Negash, Bradley F. Boeve, Robert J. Ivnik, Ronald C. Petersen, V. Shane Pankratz, Walter A. Rocca