TY - RPRT TI - [Electron microscopic study of conjugative plasmids from serologically typed E. coli AP1]. AU - A P Kaliuzhnaia AU - N I Strizhov AU - N I Matvienko AU - V P Shchipkov PY - 1979 UR - https://pubmed.ncbi.nlm.nih.gov/373814/ ID - 373814 ER -