1. Disorders of keratinization;Ebling,1992
2. Keratosis extremitatum progrediens mit dominantem Erbgang;Greither;Hautarzt,1952
3. Carcinoma of the oesophagus with keratosis palmaris et plantaris (tylosis). A study of two families;Howel-Evans;Quart J Med,1958
4. Carcinoma of the oesophagus with tylosis;Harper;Quart J Med,1970
5. Palmar keratosis and cancer;Dobson;Arch Dermatol,1965