TY - GEN AU - Dougherty,R M AU - Di Stefano,H S AU - Roth,F K TI - Virus particles and viral antigens in chicken tissues free of infectious avian leukosis virus SN - 0027-8424 PY - 1967///1219 KW - Animals KW - Antigens KW - analysis KW - Chick Embryo KW - Chickens KW - Female KW - Liver KW - microbiology KW - Microscopy, Electron KW - Pancreas KW - Viruses N1 - Publication Type: Journal Article UR - https://doi.org/10.1073/pnas.58.3.808 ER -