Transmission of filterable agents from rat chloroleukaemia induced by cell-free extract from a rat tumour.
D000818:Animals; D006518:Hepatitis Viruses; D007938:Leukemia; D007942:Leukemia, Experimental; D009369:Neoplasms; D009858:Oncogenic Viruses; D051381:Rats; D023981:Sarcoma, Myeloid
HEPATITIS VIRUSES; LEUKEMIA, EXPERIMENTAL; TUMOR VIRUSES