@misc{indiciaef36f0f8d4f30, title = {Target frequency and integration pattern for insertion and replacement vectors in embryonic stem cells.}, author = {P Hasty and J Rivera-Pérez and C Chang and A Bradley}, year = {1991}, doi = {10.1128/mcb.11.9.4509-4517.1991}, url = {https://pubmed.ncbi.nlm.nih.gov/1875936/}, note = {Source identifier: 1875936} }