1. 1. F. Hebra, and M. Kaposi , InOn Diseases of the Skin including the Exanthemata , Vol. III , p.252 . The New Sydenham Society, London (1874 ).
2. 2. V. A. McKusick , Mendelian Inheritance in Man , p.379 . Johns Hopkins University Press, (1966 ).
3. Xeroderma pigmentosum-its inheritance and relationship to the ABO blood-group system
4. 4. A. Rook, D. S. Wilkinson, and F. J. G. Ebling , Textbook of Dermatology , Vol. I , p.62 . Blackwell, Oxford and Edinburgh (1968 ).
5. Xeroderma pigmentosum. Clinical and laboratory investigation of its basic defect