1. Oral and Facial Cancer;Sarnat,1957
2. Metastatic Carcinoma to the Jaws;Clausen;Acta Path. Microbiol. Scand,1963
3. The Spread of Tumours in the Human Body;Willis,1952
4. Haematogene metastasen;Van Dongen,1961
5. Cancer Cells in the Circulating Blood;Roberts,1958