div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a-new-class-of-orally-effective-antifertility-agents-with-hypocholesteraemichtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A New Class of Orally Effective Antifertility Agents with Hypocholesteraemic Activity loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer2022080321575068321a28ab0f07af0da8html5thumbnails1jpg width=140 height=200 divp© 1966 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=a-new-class-of-orally-effective-antifertility-agents-with-hypocholesteraemichtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: A New Class of Orally Effective Antifertility Agents with Hypocholesteraemic Activity loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer2022080321575068321a28ab0f07af0da8html5thumbnails2jpg width=140 height=200 divp© 1966 Nature Publishing Grouppdiv