title: Vaccination of day-old chickens against infectious laryngotracheitis by conjunctival instillation.
mesh_terms: D000818:Animals; D003228:Conjunctiva; D006566:Herpesviridae Infections / Q000276:immunology / Q000662:veterinary*; D007827:Laryngitis / Q000276:immunology / Q000662:veterinary*; D011201:Poultry Diseases / Q000276:immunology*; D014611:Vaccination; D014765:Viral Vaccines / Q000008:administration & dosage*
chemical_list: D014765:Viral Vaccines