div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=ddt-may-be-good-for-peoplehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: DDT may be Good for People loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentssitereader036viewer2022081812575068471a28ab0f07af6b89html5thumbnails1jpg width=140 height=200 divp© 1971 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=ddt-may-be-good-for-peoplehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: DDT may be Good for People loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentssitereader036viewer2022081812575068471a28ab0f07af6b89html5thumbnails2jpg width=140 height=200 divp© 1971 Nature Publishing Grouppdiv