TY  - RPRT
TI  - Circular DNA.
AU  - D R Helinski
AU  - D B Clewell
PY  - 1971
DO  - 10.1146/annurev.bi.40.070171.004343
UR  - https://pubmed.ncbi.nlm.nih.gov/4942224/
ID  - 4942224
ER  -