Figure 2 of Simpson, Mol Vis 2011; 17:1641-1651.

Figure 2. Nonparametric LOD score plot for chromosome 20. LOD scores for the overall sample (n=63 [dashed line]) and the subset with maximum NPL score between 2.25 and 0.6 (n=20 [solid line]) are presented. The 1-LOD-unit down support interval (34–53 cM) is marked by the dotted vertical line.