1. The cellular heterogeneity of malignant neoplasms: implications for adjuvant chemotherapy;Fidler;Semin. Oncol.,1985
2. Transitional cell cancer: upper tracts and bladder;Droller,1986
3. Mechanisms of tumor progression;Nowell;Cancer Res.,1986
4. Basement membranes in urothelial carcinoma;Conn;Br. J. Urol.,1987
5. Tumor invasion and metastases: role of the basement membrane;Liotta;Am. J. Pathol.,1984