Leukemia Virus, FelineCat DiseasesCatsLeukemia, FelineLeukemiaImmunodeficiency Virus, FelineFeline Acquired Immunodeficiency SyndromeSarcoma Viruses, FelineLeukemia, ExperimentalLeukemia, Myeloid, AcuteRetroviridae InfectionsFeline PanleukopeniaCalicivirus, FelineCoronavirus, FelineLeukemia, Lymphocytic, Chronic, B-CellLeukemia Virus, MurineFeline panleukopenia virusTumor Virus InfectionsLeukemia, LymphoidLynxReceptors, VirusRetroviridaePumaProvirusesFeline Infectious PeritonitisLeukemia, Myelogenous, Chronic, BCR-ABL PositiveIris NeoplasmsLionsViral Envelope ProteinsOncogenic VirusesCell LineMoloney murine leukemia virusMolecular Sequence DataBase SequenceFelisAKR murine leukemia virusPrecursor Cell Lymphoblastic Leukemia-LymphomaDNA, ViralLeukemia Virus, Gibbon ApeRetroviridae Proteins, OncogenicGenes, envAntigens, ViralThymus NeoplasmsLeukemia, T-CellLymphomaLeukemia, Monocytic, AcuteTerminal Repeat SequencesRauscher VirusAmino Acid SequenceRetroviridae ProteinsHylobatesGenes, ViralMinkAntibodies, ViralLeukemia, Hairy CellGammaretrovirusLeukemia L1210Leukemia, B-CellLeukemia Virus, BovineSarcoma Virus, Woolly MonkeyGenes, polLentivirus InfectionsViral ProteinsHelper VirusesRed-Cell Aplasia, PurePolymerase Chain ReactionViral InterferenceRepetitive Sequences, Nucleic AcidGene Products, gagBone MarrowGene Expression Regulation, LeukemicImmunologic CappingLeukemia, Radiation-InducedCloning, MolecularBartonella InfectionsMyeloid-Lymphoid Leukemia ProteinAnemia, MacrocyticGene Products, envSpecific Pathogen-Free OrganismsDefective VirusesVirus ReplicationRNA, ViralRecombination, GeneticLeukemia P388Leukemia, Biphenotypic, AcuteCell Transformation, ViralAnimals, WildDogsAcute Disease