TY  - RPRT
TI  - Defective interfering particles with covalently linked [+/-]RNA induce interferon.
AU  - P I Marcus
AU  - M J Sekellick
PY  - 1977
DO  - 10.1038/266815a0
UR  - https://pubmed.ncbi.nlm.nih.gov/194158/
ID  - 194158
ER  -