Authors: Erik S Fleming; James Perkins; David Easa; Jose G Conde; Richard S Baker; William M Southerland; Robert Dottin; Julio E Benabe; Elizabeth O Ofili; Vincent C Bond; Shelia A McClure; Michael H Sayre; Maureen J Beanan; Keith C Norris Journal: Ethn Dis Date: 2008 Impact factor: 1.847