div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a-semi-continuous-method-for-the-large-scale-production-of-tetanus-toxinhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Semi-continuous Method for the Large-scale Production of Tetanus Toxin loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsmxreader036viewer20220818175750680a1a28ab0f07ae535ehtml5thumbnails1jpg width=140 height=200 divp© 1957 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=a-semi-continuous-method-for-the-large-scale-production-of-tetanus-toxinhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: A Semi-continuous Method for the Large-scale Production of Tetanus Toxin loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsmxreader036viewer20220818175750680a1a28ab0f07ae535ehtml5thumbnails2jpg width=140 height=200 divp© 1957 Nature Publishing Grouppdiv