00521nam a2200157Ia 4500008004100000020001500041041000800056082001300064245010900077260004600186653002400232653002000256653003500276700002500311700002700336160808s2001    xx            000 0 eng d  a1859961037  aeng  a616.0194  aGenetically engineered viruses:bdevelopment and applications /cedited by E. D. Blair and C. J. A. Ring  aU.K :bBios Scientific Publishers,c2001.  aGenetic Engineering  aMedical Science  aVirus - Genetically Engineered  aBlair, E. D.eeditor  aRing, C. J. A.eeditor