title: A Marek's disease vaccination trial.
mesh_terms: D000818:Animals; D002645:Chickens; D005260:Female; D006564:Herpesviridae / Q000276:immunology; D007279:Injections, Subcutaneous; D008380:Marek Disease / Q000382:microbiology / Q000401:mortality / Q000517:prevention & control*; D014611:Vaccination / Q000662:veterinary*; D014765:Viral Vaccines / Q000008:administration & dosage
chemical_list: D014765:Viral Vaccines