M. Bach, S. Grigat, B. Pawlik, C. Fork, O. Utermöhlen, S. Pal, D. Banczyk, A. Lazar, E. Schömig and D. Gründemann 2007. Fast set up of doxycycline inducible protein expression in human cell lines with a single plasmid based on Epstein–Barr virus replication and the simple tetracycline repressor