title: Amelioration of Marek's disease and absence of vaccine protection in immunologically deficient chickens.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral; D000917:Antibody Formation / Q000187:drug effects; D002060:Bursa of Fabricius / Q000187:drug effects / Q000276:immunology*; D002645:Chickens; D003520:Cyclophosphamide / Q000494:pharmacology*; D004912:Erythrocytes / Q000276:immunology; D006564:Herpesviridae / Q000276:immunology; D007166:Immunosuppressive Agents / Q000494:pharmacology*; D008380:Marek Disease / Q000276:immunology / Q000382:microbiology / Q000517:prevention & control*; D012756:Sheep / Q000276:immunology; D014422:Turkeys; D014765:Viral Vaccines
chemical_list: D000914:Antibodies, Viral; D007166:Immunosuppressive Agents; D014765:Viral Vaccines; D003520:Cyclophosphamide