1. Diseases of the nails and their management;Baran,1994
2. Nail and appendageal abnormalities;Silverman,2003
3. Transverse nail ridging in early infancy;Turano;Pediatrics,1968
4. Beau's lines, a case report;Wolf;Cutis,1982
5. Koilonychia of the toenails in children;Yinnon;Int J Dermatol,1988