PubMed=7849321; DOI=10.1182/blood.V85.4.997.bloodjournal854997
Roecklein B.A., Torok-Storb B.
Functionally distinct human marrow stromal cell lines immortalized by transduction with the human papilloma virus E6/E7 genes.
Blood 85:997-1005(1995)
Patent=US7129086
Torok-Storb B., Roecklein B.A., Johnson G.
Human marrow stromal cell lines which sustain hematopoiesis.
Patent number US7129086, 31-Oct-2006