A composite of multiple signals distinguishes causal variants in regions of positive selection.
Grossman SR, Shlyakhter I, Shylakhter I, Karlsson EK, Byrne EH, Morales S, Frieden G, Hostetter E, Angelino E, Garber M, Zuk O, Lander ES, Schaffner SF, Sabeti PC. A composite of multiple signals distinguishes causal variants in regions of positive selection. Science. 2010 Feb 12; 327(5967):883-6.