div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentuniversity-of-western-ontario-phoenix-is-a-second-generation-retrovirus-producerhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: University of Western OntarioPhoenix is a second-generation retrovirus producer lines for the generation of helper free ecotropic and amphotropic retroviruses The lines are based loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer2022071411610631665c47a9165445de9ehtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentuniversity-of-western-ontario-phoenix-is-a-second-generation-retrovirus-producerhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: University of Western OntarioPhoenix is a second-generation retrovirus producer lines for the generation of helper free ecotropic and amphotropic retroviruses The lines are based loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsinreader035viewer2022071411610631665c47a9165445de9ehtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentuniversity-of-western-ontario-phoenix-is-a-second-generation-retrovirus-producerhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: University of Western OntarioPhoenix is a second-generation retrovirus producer lines for the generation of helper free ecotropic and amphotropic retroviruses The lines are based loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...