TY - RPRT TI - A phage lambda endonuclease controlled by genes O and P. AU - D Freifelder AU - I Kirschner PY - 1971 DO - 10.1016/0042-6822(71)90169-3 UR - https://pubmed.ncbi.nlm.nih.gov/4937245/ ID - 4937245 ER -