TY - RPRT TI - Isolation of a complementing activity for a dna-B mutant. AU - M Koiyama AU - E Milewski PY - 1973 DO - 10.1016/0006-291x(73)90172-1 UR - https://pubmed.ncbi.nlm.nih.gov/4581492/ ID - 4581492 ER -