TY - GEN AU - Heider,G AU - Ayoub,N N AU - Knöpke,C AU - Glathe,H AU - Ebner,D TI - [COFAL Test. 2. Demonstration of group specific antigens in avian sarcoma and leukosis viruses using chick embryo fibroblast tissue culture] SN - 0026-9263 PY - 1973///0621 KW - Alpharetrovirus KW - immunology KW - Animals KW - Antigens, Viral KW - analysis KW - Chick Embryo KW - Chickens KW - Columbidae KW - Culture Techniques KW - Female KW - Poultry Diseases KW - Virus Cultivation KW - Virus Diseases KW - veterinary N1 - Publication Type: Journal Article ER -