title: Experiments on the mode of spreading of Marek's disease virus.
mesh_terms: D000818:Animals; D001353:Avian Leukosis / Q000517:prevention & control*; D001354:Avian Leukosis Virus / Q000187:drug effects; D002642:Chick Embryo; D002645:Chickens; D005557:Formaldehyde / Q000494:pharmacology; D008722:Methods; D010523:Peripheral Nervous System Diseases / Q000517:prevention & control; D011201:Poultry Diseases / Q000517:prevention & control*
chemical_list: D005557:Formaldehyde