div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentinreader042viewer2022021402575068171a28ab0f07ae8df6html5page1jpg target=_blank img data-url=specificity-of-the-effects-of-cardiac-glycosides-on-the-rhythmic-contractionhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Specificity of the Effects of Cardiac Glycosides on the Rhythmic Contraction of Single Cultured Cardiac Muscle Cells loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer2022021402575068171a28ab0f07ae8df6html5thumbnails1jpg width=140 height=200 adivp© 1960 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader042vdocumentinreader042viewer2022021402575068171a28ab0f07ae8df6html5page2jpg target=_blank img data-url=specificity-of-the-effects-of-cardiac-glycosides-on-the-rhythmic-contractionhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Specificity of the Effects of Cardiac Glycosides on the Rhythmic Contraction of Single Cultured Cardiac Muscle Cells loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentinreader042viewer2022021402575068171a28ab0f07ae8df6html5thumbnails2jpg width=140 height=200 adivp© 1960 Nature Publishing Grouppdiv