TY  - RPRT
TI  - Complement-protected amphotropic retroviruses from murine packaging cells.
AU  - D Spitzer
AU  - H Hauser
AU  - D Wirth
PY  - 1999
DO  - 10.1089/10430349950017572
UR  - https://pubmed.ncbi.nlm.nih.gov/10446929/
ID  - 10446929
ER  -