TY - RPRT TI - Evidence for extrachromosomal elements in Lactobacillus. AU - B M Chassy AU - E Gibson AU - A Giuffrida PY - 1976 DO - 10.1128/jb.127.3.1576-1578.1976 UR - https://pubmed.ncbi.nlm.nih.gov/821936/ ID - 821936 ER -