TY  - RPRT
TI  - lambda PJ4A, a lambda replacement vector carrying amber mutations for cloning of EcoRI fragments.
AU  - P Jørgensen
AU  - T Mikkelsen
PY  - 1986
DO  - 10.1093/nar/14.23.9538
UR  - https://pubmed.ncbi.nlm.nih.gov/3025818/
ID  - 3025818
ER  -