Plasmid LeGO-G/BSD from Dr. Boris Fehse's lab contains the insert U6 promoter, SFFV promoter, eGFP/BSD-Fusion and is published in Mol Ther. 2008 Apr . 16(4):698-706. This plasmid is available through Addgene.
Addgene
LEGO 9499 Star Wars Gungan Sub NIB Sealed 673419167932
Addgene
Lego Edward The Blue Engine (Buffer 1) V1 by alexartchanimte7 on DeviantArt
Addgene
Lentiviral gene ontology (LeGO) vectors facilitate simultaneous
15th Annual LEGO Contest Grades K-2 Winners
Proteolytic Processing of Neuregulin 2
The enhanced green fluorescent protein (eGFP)/Blasticidin-S deaminase