1. The etiology of onychogryphosis of the great toenail and of ingrowing nail (in Japanese);Higashi;Skin Res.,1988
2. Dawber RPR, Baran R, Onychogryphosis and hypertrophy. In: Champion RH, Burton JL, Ebling FJG. editors, Textbook of Dermatology, 5th ed. Oxford: Blackwell Scientific Publication, 1992; p. 2523.
3. Onychogryphosis;Kouskoukis;J. Dermatol. Surg. Oncol.,1982
4. Onychogryphosis treated with the CO2 surgical laser;Kaplan;Br. J. Plast. Surg.,1976
5. Achauer BM, Welk RA. One-stage reconstruction of the post-burn nail-fold contracture. Plast Reconstr Surg 1990;85:937–940.