1. Effect of exercise on the immune response of young and old horses;Horohov,1999
2. Effects of age and recombinant equine somatotropin (eST) administration on immune function in female horses;Guirnalda,2001
3. The effect of aging on T cell responses in the horse;Horohov,2002
4. Age-related quantitative alterations in lymphocyte subsets and immunoglobulin isotypes in healthy horses;McFarlane,2001