TY - RPRT TI - A proliferation switch for genetically modified cells. AU - C A Blau AU - K R Peterson AU - J G Drachman AU - D M Spencer PY - 1997 DO - 10.1073/pnas.94.7.3076 UR - https://pubmed.ncbi.nlm.nih.gov/9096348/ ID - 9096348 ER -