Association of aldosterone synthase polymorphism (CYP11B2 -344T>C) and genetic ancestry with atrial fibrillation and serum aldosterone in African Americans with heart failure. oleh Adam Bress, Jin Han, Shitalben R Patel, Ankit A Desai, Ibrahim Mansour, Vicki Groo, Kristin Progar, Ebony Shah, Thomas D Stamos, Coady Wing, Joe G N Garcia, Rick Kittles, Larisa H Cavallari