In search of the genetic footprints of Sumerians: a survey of Y-chromosome and mtDNA variation in the Marsh Arabs of Iraq
Nadia Al-Zahery, Maria Pala, Vincenza Battaglia, Viola Grugni, Mohammed A Hamod, Baharak H Kashani, Anna Olivieri, Antonio Torroni, Augusta S Santachiara-Benerecetti and Ornella Semino*