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Filters: First Letter Of Title is P and Author is Robert J. Willis [Clear All Filters]
Pension and Social Security Wealth in the Health and Retirement Study. In: Wealth, Work and Health: Innovations in Measurement in the Social Sciences. Wealth, Work and Health: Innovations in Measurement in the Social Sciences. Ann Arbor, MI: University of Michigan Press; 1999:150-208..
Preparation for Retirement, Financial Literacy and Cognitive Resources. Ann Arbor, MI: Michigan Retirement Research Center, University of Michigan; 2008..
Prevalence of cognitive impairment without dementia in the United States. Annals of Internal Medicine. 2008;148(6):427-434. doi:10.7326/0003-4819-148-6-200803180-00005.
Prevalence of dementia in the United States: the aging, demographics, and memory study. Neuroepidemiology. 2007;29(1-2):125-32. doi:10.1159/000109998.
Probabilistic Thinking and Early Social Security Claiming. The University of Michigan, Michigan Retirement Research Center; 2006..
Prospects for Widow Poverty. In: Forecasting retirement needs and retirement wealth. Forecasting retirement needs and retirement wealth. Philadelphia: University of Pennsylvania Press; 2000:208 -34..