1. Tumor heterogeneity;Heppner;Cancer Res,1984
2. A classification of human urothelial cells propagated in vitro;Christensen;Anticancer Res,1984
3. The biological characteristics of continuous cell lines derived from human bladder;Hepburn,1983
4. Tissue culture model of transitional cell carcinoma: Characterization of twenty-two human urothelial cell lines;Masters;Cancer Res,1986
5. The biology of urothelial cancer;Russell,1988