title: [Pathomorphological changes in the bursa of Fabricius and thymus in chickens with Marek's disease and their diagnostic significance].
mesh_terms: D000208:Acute Disease; D000818:Animals; D002060:Bursa of Fabricius / Q000473:pathology*; D002645:Chickens; D003937:Diagnosis, Differential / Q000662:veterinary; D008380:Marek Disease / Q000175:diagnosis / Q000473:pathology*; D013950:Thymus Gland / Q000473:pathology*
vernacular_title: Vŭrkhu patomorfologichnite izmeneniia na bursa Fabricii i timusa u pileta, zaboleli ot Marekova bolest i tiakhnoto diagnostichno znachenie