Halbert, C L The E7 gene of human papillomavirus type 16 is sufficient for immortalization of human epithelial cells. [electronic resource] - Journal of virology Jan 1991 - 473-8 p. digital Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. ISSN: 0022-538X Standard No.: 10.1128/JVI.65.1.473-478.1991 doi Subjects--Topical Terms: Cell Transformation, NeoplasticCells, CulturedGenes, ViralGenetic VectorsHumansKeratinocytesOncogene Proteins, Viral--geneticsOpen Reading FramesPapillomaviridae--geneticsPapillomavirus E7 ProteinsRecombination, GeneticRetroviridae--geneticsSkin--cytology