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3. Rapid identification of bacterial genes that are lethal when cloned on multicopy plasmids;Berg C. M.;J. Bacteriol.,1988
4. Complete sequence of an IS element present in pSC101;Bernardi A.;Nucleic Acids Res.,1981
5. Positive selection for loss of tetracycline resistance;Bochner B. R.;J. Bacteriol.,1980