@misc{indiciaeeaaf957b6721, title = {Versatile avian retrovirus vectors.}, author = {S M Fuerstenberg and B Vennström}, year = {1993}, doi = {10.1006/abio.1993.1137}, url = {https://pubmed.ncbi.nlm.nih.gov/8470813/}, note = {Source identifier: 8470813} }