Bijma P, Aanen D K
Animal Breeding and Genomics Centre, Wageningen University and Research Centre, PO 338, 6700AH Wageningen, The Netherlands.
Proc Biol Sci. 2010 Mar 7;277(1682):673-5; discussion 677-8. doi: 10.1098/rspb.2009.1093. Epub 2009 Nov 11.