TY - RPRT TI - Prophage P1, and extrachromosomal replication unit. AU - H Ikeda AU - J Tomizawa PY - 1968 DO - 10.1101/sqb.1968.033.01.091 UR - https://pubmed.ncbi.nlm.nih.gov/4892009/ ID - 4892009 ER -