Emanuel, N M Detection and investigation of a new type of ESR signal characteristic of some tumour tissues. [electronic resource] - Nature Apr 1969 - 165-7 p. digital Publication Type: Journal Article ISSN: 0028-0836 Standard No.: 10.1038/222165a0 doi Subjects--Topical Terms: AnimalsCarcinoma 256, WalkerCarcinoma, HepatocellularElectron Spin Resonance SpectroscopyFree RadicalsFreeze DryingLiver--analysisLiver NeoplasmsMiceMuscles--analysisNeoplasm TransplantationNeoplasms, ExperimentalRatsSarcoma 180Sarcoma 37Sarcoma, Experimental