TY - GEN AU - Röhrer,H TI - [On the problem of bovine leukosis] SN - 0012-0847 PY - 1968///0324 KW - Animals KW - Avian Leukosis Virus KW - pathogenicity KW - Cattle KW - Cattle Diseases KW - etiology KW - Leukemia KW - Leukemia Virus, Murine KW - Mice KW - Poultry Diseases N1 - Publication Type: Journal Article ER -