1. Cancer: retrospect and prospect;Cameron;Oral Surg., Oral Med. & Oral Path.,1953
2. Carcinoma of the oral cavity;Lawrence;J.A.M.A.,1945
3. Squamous cell carcinoma of the lip: critical statistical and morphological analysis of 835 cases;Bernier;Mil. Surgeon,1951
4. Epidermoid carcinoma of nasal and pharyngeal regions: a statistical and morphological analysis of two hundred and fourteen cases;Scofield,1952
5. The grading of carcinoma;Broders;Minnesota Med.,1925