Baran R, Dawber RPR, De Berker D, et al. (2001). Baran & Dawber's Diseases of the Nails and Their Management. 3rd ed. London, UK: Blackwell Publishing p.
Fawcett R. S., Linford S., Stulberg D. L. Nail abnormalities: clues to systemic disease. Am Fam Physician. [2004];69:1417-24.
Koler R. A., Montemarano A. Dermatomyositis. Am Fam Physician. [2001];64:1565-72.