Kirkland, D J The histological appearance of tumours derived from rat embryo cells transformed in vitro spontaneously and after treatment with nitrosomethylurea. [electronic resource] - British journal of cancer Nov 1973 - 440-52 p. digital Publication Type: Journal Article ISSN: 0007-0920 Standard No.: 10.1038/bjc.1973.170 doi Subjects--Topical Terms: AnimalsBuffersCarcinogens--pharmacologyCell Transformation, NeoplasticClone CellsCulture TechniquesEmbryo, Mammalian--cytologyFibroma--chemically inducedFibrosarcoma--chemically inducedHemangiopericytoma--chemically inducedLeiomyoma--chemically inducedMethane--pharmacologyMicroscopy, ElectronMitosisNeoplasm TransplantationNitrosourea Compounds--pharmacologyPhosphatesRatsSodium ChlorideViruses