title: Field and laboratory studies with Marek's disease.
mesh_terms: D000367:Age Factors; D000818:Animals; D001353:Avian Leukosis / Q000453:epidemiology / Q000473:pathology*; D002645:Chickens; D005260:Female; D008281:Maine; D008297:Male; D010523:Peripheral Nervous System Diseases / Q000473:pathology / Q000662:veterinary; D011201:Poultry Diseases / Q000473:pathology*; D012737:Sex Factors