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2. The plaque assay of animal viruses;Cooper;Advan. Virus Res.,1961
3. Plaque formation and isolation of pure lines with polio myelitis viruses;Dulbecco;J. Exptl. Med.,1954
4. Nutrition needs of mammalian cells in tissue culture;Eagle;Science,1955
5. Production of malignancy in vitro; mouse fibroblast cultures and changes seen in living cells;Earle;J. Natl. Cancer Inst.,1943