@misc{indiciaea6f045057c32, title = {Recombinational switch for gene expression.}, author = {J Zieg and M Silverman and M Hilmen and M Simon}, year = {1977}, doi = {10.1126/science.322276}, url = {https://pubmed.ncbi.nlm.nih.gov/322276/}, note = {Source identifier: 322276} }