1. Multiple primary malignant tumors; survey of literature and statistical study;Billroth;Am. J. Cancer,1932
2. Multiple primary malignant tumors; survey of literature and statistical study;Warren;Am. J. Cancer,1932
3. Multiplicity of origin of malignant tumors; collective review;Slaughter;Internat. Abstr. Surg.,1944
4. Multiple primary malignant neoplasms;Hurt;J. Lab. & Clin. Med.,1933
5. Multiple cancer; study of other cancers arising in patients with primary malignant neoplasms of stomach, uterus, breast, large intestine, or hematopoietic system;Mider;Cancer,1952