Wolff, L H Preparation of cell-free feline oncornavirus-associated cell membrane antigen. [electronic resource] - Journal of the National Cancer Institute Mar 1977 - 791-3 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0027-8874 Standard No.: 10.1093/jnci/58.3.791 doi Subjects--Topical Terms: AnimalsAntibodies, NeoplasmAntibodies, ViralAntigens, NeoplasmAntigens, Viral--analysisCell Membrane--immunologyCells, CulturedCentrifugation, Density GradientCytotoxicity Tests, ImmunologicLeukemia Virus, Feline--immunologyLeukemia, Experimental--etiologyOncogenic Viruses--immunologyPapainSarcoma Viruses, Feline--immunology