Shin, J.-H., Blay, S., McNeney, B., & Graham, J. (2006). LDheatmap: An R Function for Graphical Display of Pairwise Linkage Disequilibria Between Single Nucleotide Polymorphisms. Journal of Statistical Software, Code Snippets, 16(3), 1–9. https://doi.org/10.18637/jss.v016.c03