TY - RPRT TI - Extrachromosomal gene systems in Streptococcus mutans. AU - F L Macrina AU - S S Virgili AU - C L Scott PY - 1978 DO - 10.1007/978-1-4684-3369-2_96 UR - https://pubmed.ncbi.nlm.nih.gov/742518/ ID - 742518 ER -