1. Estimating Missing Heritability for Disease from Genome-wide Association Studies 
Sang Hong Lee, Naomi R. Wray, Michael E. Goddard, Peter M. Visscher 
The American Journal of Human Genetics 
Volume 88, Issue 3, Pages (March 2011)
DOI: /j.ajhg
Copyright © 2011 The American Society of Human Genetics Terms and Conditions

2. Figure 1 The Liability Threshold Model for a Disease Prevalence of K
An underlying continuous random variable determines disease status. If liability exceeds the threshold t, then individuals are affected.
The American Journal of Human Genetics  , DOI: ( /j.ajhg )
Copyright © 2011 The American Society of Human Genetics Terms and Conditions

3. Figure 2
The Distribution of Liability When Cases Are Oversampled as in a Case-Control Study
The American Journal of Human Genetics  , DOI: ( /j.ajhg )
Copyright © 2011 The American Society of Human Genetics Terms and Conditions