Healey, P.J., Dennis, J.A. and Moule, J.F. 1996. Use of hair root as a source of DNA for the detection of heterozygotes for recessive defects in cattle. The Bovine Practitioner. 1996, 30 (May 1996), 26–27. DOI:https://doi.org/10.21423/bovine-vol1996no30p26-27.