Use of a pooled cohort to impute cardiovascular disease risk factors across the adult life course. Zeki Al Hazzouri A, Vittinghoff E, Zhang Y, Pletcher MJ, Moran AE, Bibbins-Domingo K, Golden SH, Yaffe K International journal of epidemiology
Excessive daytime sleepiness, objective napping and 11-year risk of Parkinson's disease in older men. Leng Y, Goldman SM, Cawthon PM, Stone KL, Ancoli-Israel S, Yaffe K International journal of epidemiology