1. Unna’s “Balloon Degeneration” of the prickle cells in the light of recent investigations;Lipshuetz;Arch Derm Syph,1921
2. The patient with recurrent aphthous ulcers and the patient with recurrent herpes labialis: a study of two population samples;Ship;JADA,1967
3. Viral and viral-like diseases of the mouth;Ship;Postgrad Med,1965
4. Recurrent aphthous ulcers;Blank;JAMA,1950
5. Epithelial smears in the diagnosis of herpes simplex and herpes zoster affecting the oral mucosa;Cooke;Brit Dent J,1958