Favrot, Claude; Steffan, J.; Seewald, W.; Picco, F. (2010). "A prospective study on the clinical features of chronic canine atopic dermatitis and its diagnosis". Veterinary Dermatology. 21 (1): 23–31. doi:10.1111/j.1365-3164.2009.00758.x. PMID20187911.
Marsh, K.A.; Ruedisueli, F.L.; Coe, S.L.; Watson, T.G.D. (2000-12-01). "Effects of zinc and linoleic acid supplementation on the skin and coat quality of dogs receiving a complete and balanced diet". Veterinary Dermatology. 11 (4): 277–284. doi:10.1046/j.1365-3164.2000.00202.x. ISSN1365-3164.
Favrot, Claude; Steffan, J.; Seewald, W.; Picco, F. (2010). "A prospective study on the clinical features of chronic canine atopic dermatitis and its diagnosis". Veterinary Dermatology. 21 (1): 23–31. doi:10.1111/j.1365-3164.2009.00758.x. PMID20187911.
Case, Linda P. (2011). Canine and feline nutrition : a resource for companion animal professionals (3rd ed.). Maryland Heights, Mo.: Mosby. ISBN9780323066198. OCLC664112342.
Marsh, K.A.; Ruedisueli, F.L.; Coe, S.L.; Watson, T.G.D. (2000-12-01). "Effects of zinc and linoleic acid supplementation on the skin and coat quality of dogs receiving a complete and balanced diet". Veterinary Dermatology. 11 (4): 277–284. doi:10.1046/j.1365-3164.2000.00202.x. ISSN1365-3164.