TY - RPRT TI - F factor conjugation is a true type IV secretion system. AU - T D Lawley AU - W A Klimke AU - M J Gubbins AU - L S Frost PY - 2003 DO - 10.1016/s0378-1097(03)00430-0 UR - https://pubmed.ncbi.nlm.nih.gov/12855161/ ID - 12855161 ER -