1. NAIS and Horses: The Facts Surrounding the National Animal Identification System and the Horse Industry in the U.S.;Equine Species Working Group,2007
2. Hartig, W., Houe, H., Andersen, P.H. Monitoring of Equine Health in Denmark: The Importance, Purpose, Research Areas and Content of a Future Database. Prev. Vet. Med., submitted for publication.
3. Guidelines for improved disease recording and recommendations for use of data;Houe,2006
4. Interview analyses focusing on meaning;Kvale,2009
5. Improving quality of care in colic surgery: time for international audit?;Mair;Equine Vet. J.,2005