@misc{indiciaeb1795584ac17, title = {p lambda Zd39: a new type of cDNA expression vector for low background, high efficiency directional cloning.}, author = {A J Murphy and R T Schimke}, year = {1991}, doi = {10.1093/nar/19.12.3403}, url = {https://pubmed.ncbi.nlm.nih.gov/1829518/}, note = {Source identifier: 1829518} }