1. Multiple primary malignant tumors;Austin;Am. J. Path.,1938
2. The metastasis of carcinoma with special reference to the spleen;Berge;Acta path. microbiol. scandinav.,1967
3. The probability of chance occurrence of multiple malignant neoplasms;Bugher;Am. J. Cancer,1934
4. Multiple primary cancers;Burke;Am. J. Cancer,1936