A new view on dam lines in Polish Arabian horses based on mtDNA analysis Iwona Głażewska, Anna Wysocka, Barbara Gralak Renata Prus and Jerzy Sell Genet. Sel. Evol., 39 5 (2007) 609-619 Published online: 27 September 2007 DOI: 10.1051/gse:2007025