Sf1/Cre<high> Tg(Nr5a1-cre)2Klp SF1/Cre Transgene SF1/Cre|Sf1-cre|Sf1/Cre<high> http://identifiers.org/mgd/MGI:3689422 transgene MGI:3689422 Sf1-cre transgene insertion 2, Keith L Parker O