http://identifiers.org/mgd/MGI:3764519 Gt(ROSA)26Sor<tm2(cre/Esr1)Brn> Gt(ROSA)26Sor<tm2(cre/ERT2)Brn> Rosa26CreERT2 targeted mutation 2, Anton Berns MGI:3764519 Recombinase|Inducible ERT2 ROSA26-CreERT2