div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentvolume-262-volume-262-july-2021-issn-0176-1617-2021-htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Volume 262 Volume 262 July 2021 ISSN 0176-1617 2021 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer202202062261ed9d2b9942b70ee558331dhtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentvolume-262-volume-262-july-2021-issn-0176-1617-2021-htmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Volume 262 Volume 262 July 2021 ISSN 0176-1617 2021 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader030fdocumentsusreader030viewer202202062261ed9d2b9942b70ee558331dhtml5thumbnails2jpg width=140 height=200 divdiv