YOU-TZUNG CHENBradley A.2020-11-042020-11-0420001526-954Xhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0033762448&doi=10.1002%2f1526-968X%28200009%2928%3a1%3c31%3a%3aAID-GENE40%3e3.0.CO%3b2-K&partnerID=40&md5=cb11a5ab1e3f7f0c37e14ffd6a2f41efhttps://scholars.lib.ntu.edu.tw/handle/123456789/520442A new positive/negative selectable marker, puΔtk, for use in embryonic stem cellsjournal article10.1002/1526-968X(200009)28:1<31::AID-GENE40>3.0.CO;2-K110207142-s2.0-0033762448