1. Requirements for poliomyelitis vaccine (inactivated). WHO Expert Committee on Biological Standardization,1982
2. Development of invasive tumors in ‘nude’ mouse after injection of cultured human melanoma cells;Giovanella;J Natl Cancer Inst,1972
3. Cellular tumorigenicity in nude mice: correlation with cell growth in semisolid medium;Freedman;Cell,1974
4. Heterotransplantation of cultured human cancer cells and human cancer tissues into nude mice;Kuga;Gan,1975
5. Growth control of heterologous tissue culture cells in the congenitally athymic nude mouse;Stiles;Cancer Res,1976