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Hepatic Localization of Transgene Expression Four Days After a Single Dose of Adenovirus. Representative tissue sections isolated from animals given (A) phosphate buffered saline (B) first generation recombinant adenovirus 5 expressing beta-galactosidase (AdlacZ) (C) PEGylated AdlacZ (D) helper-dependent virus expressing beta-galactosidase or (E) inactivated virus. Original magnification of each panel: 200 ×.
