title: Studies on the possibility of obtaining leukosis-free eggs from commercial poultry flocks, with reference to current laboratory methods.
mesh_terms: D000818:Animals; D000906:Antibodies / Q000032:analysis; D001353:Avian Leukosis / Q000276:immunology / Q000382:microbiology / Q000517:prevention & control*; D001358:Avian Sarcoma Viruses; D001769:Blood; D002642:Chick Embryo; D002645:Chickens; D004530:Egg Yolk; D004531:Eggs; D005260:Female
chemical_list: D000906:Antibodies