Genetic structure of captive and free-ranging okapi ( Okapia johnstoni) with implications for management. - Stanton, David; Helsen, Philippe; Shephard, Jill; Leus, Kristin; Penfold, Linda; Hart, John; Kümpel, Noëlle; Ewen, John; Wang, Jinliang; Galbusera, Peter; Bruford, Michael (Conservation Genetics, 2015)