Cook, M K Cultivation of a filterable agent associated with Marek's disease. [electronic resource] - Journal of the National Cancer Institute Jul 1969 - 203-12 p. digital Publication Type: Journal Article ISSN: 0027-8874 Subjects--Topical Terms: AnimalsAnimals, LaboratoryAvian Leukosis--immunologyAvian Leukosis Virus--isolation & purificationChick EmbryoChickensChloroform--pharmacologyComplement Fixation TestsCulture TechniquesDrug ToleranceEthers--pharmacologyFibroblastsFiltrationFluorescent Antibody TechniqueIdoxuridine--pharmacologyMethodsMicroscopy, ElectronNeutralization TestsVirus Cultivation