1. Identifying Families with Likely Genetic Protective Factors against Alzheimer Disease 
Jeremy M. Silverman, Christopher J. Smith, Deborah B. Marin, Sandra Birstein, Marlene Mare, Richard C. Mohs, Kenneth L. Davis 
The American Journal of Human Genetics 
Volume 64, Issue 3, Pages (March 1999)
DOI: /302280
Copyright © 1999 The American Society of Human Genetics Terms and Conditions

2. Figure 1
Cumulative survival of AD dementia in relatives of probands aged 60–74, 75–89, and 90–102 years.
The American Journal of Human Genetics  , DOI: ( /302280)
Copyright © 1999 The American Society of Human Genetics Terms and Conditions

3. Figure 2
Ten-year–age-interval–specific hazard rates of AD dementia in relatives of probands aged 60–74, 75–89, and 90–102 years.
The American Journal of Human Genetics  , DOI: ( /302280)
Copyright © 1999 The American Society of Human Genetics Terms and Conditions

4. Figure 3
Ten-year–age-interval–specific hazard-rate ratios in relatives of probands aged 75–89 and 90–102 years compared with relatives of probands aged 60–74 years.
The American Journal of Human Genetics  , DOI: ( /302280)
Copyright © 1999 The American Society of Human Genetics Terms and Conditions