div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220201005b1f03eb7f8b9a397f8ccc94html5page1jpg target=_blank img data-url=documentscientific-american-february-1971-american-established-1845-february-1971-volumehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Scientific American February 1971 - LHCE AMERICAN Established 1845 February 1971 Volume 224 Number 2 Lead Poisoning Amontr the natural substances that man concentrates tn his immediate loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsusreader039viewer20220201005b1f03eb7f8b9a397f8ccc94html5thumbnails1jpg width=140 height=200 adivpScientific American February 1971pdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220201005b1f03eb7f8b9a397f8ccc94html5page2jpg target=_blank img data-url=documentscientific-american-february-1971-american-established-1845-february-1971-volumehtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Scientific American February 1971 - LHCE AMERICAN Established 1845 February 1971 Volume 224 Number 2 Lead Poisoning Amontr the natural substances that man concentrates tn his immediate loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsusreader039viewer20220201005b1f03eb7f8b9a397f8ccc94html5thumbnails2jpg width=140 height=200 adivpScientific American February 1971pdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader039fdocumentsusreader039viewer20220201005b1f03eb7f8b9a397f8ccc94html5page3jpg target=_blank img data-url=documentscientific-american-february-1971-american-established-1845-february-1971-volumehtmlpage=3...