1. Cutaneous signs of systemic disease;Patel;Clin Dermatol,2011
2. Nail abnormalities: clues to systemic disease;Fawcett;Am Fam Physician,2004
3. Transverse leukonychia in severe hypocalcemia;Foti;Eur J Dermatol,2004
4. Mees' lines;Baran;Br J Dermatol,1999
5. Etretinate therapy;Baran;Arch Dermatol,1984