title: Absence of age-resistance in neonatally thymectomised chickens as evidence for cell-mediated immune surveillance in Marek's disease.
mesh_terms: D000375:Aging; D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D002645:Chickens; D003520:Cyclophosphamide; D007109:Immunity / Q000528:radiation effects; D007111:Immunity, Cellular; D007165:Immunosuppression Therapy; D008380:Marek Disease / Q000276:immunology*; D011830:Radiation Effects; D013601:T-Lymphocytes / Q000276:immunology*; D013934:Thymectomy
chemical_list: D003520:Cyclophosphamide