1. Verrucous carcinoma of the oral cavity;Ackerman;Surgery,1948
2. Verrucous carcinoma and verrucous hyperplasia;Arendorf;J. Dent. Assoc. S. Africa,1982
3. Verrucous carcinoma of the oral cavity;Bohmfalk;Oral Surg.,1982
4. Verrucous Carcinoma of the skin, epithelioma cu-niculatum plantare;Brownstein;Cancer,1976
5. Verrucous carcinoma of Ackerman; a distinctive clinic-opathologic entity: report of two cases;Claydon;J. Oral Surg.,1978