Color Atlas of Dental MedicineHerbert F. Wolf, Thomas M. Hassell, Klaus H. Rateitschak · First published 2005Open the Tome
Epilepsy and the oral manifestations of phenytoin therapyThomas M. Hassell · First published 1981Open the Tome
Phenytoin-induced teratology and gingival pathologyThomas M. Hassell, M. C. Johnston · First published 1980Open the Tome
