title: Impaired host resistance against local JMV Marek's disease tumors after thymectomy and after bursectomy.
mesh_terms: D000818:Animals; D000917:Antibody Formation / Q000187:drug effects; D002060:Bursa of Fabricius / Q000187:drug effects / Q000601:surgery; D002645:Chickens / Q000276:immunology*; D003520:Cyclophosphamide / Q000494:pharmacology; D008381:Herpesvirus 2, Gallid / Q000276:immunology*; D008380:Marek Disease / Q000209:etiology / Q000276:immunology* / Q000401:mortality; D013934:Thymectomy
chemical_list: D003520:Cyclophosphamide