div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader030vdocumentsusreader030viewer2022020522575067d21a28ab0f07ad504fhtml5page1jpg target=_blank img data-url=surface-tension-of-urine-during-the-menstrual-cyclehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Surface Tension of Urine during the Menstrual Cycle loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer2022020522575067d21a28ab0f07ad504fhtml5thumbnails1jpg width=140 height=200 adivp© 1935 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imagea href=https:reader030vdocumentsusreader030viewer2022020522575067d21a28ab0f07ad504fhtml5page2jpg target=_blank img data-url=surface-tension-of-urine-during-the-menstrual-cyclehtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Surface Tension of Urine during the Menstrual Cycle loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer2022020522575067d21a28ab0f07ad504fhtml5thumbnails2jpg width=140 height=200 adivp© 1935 Nature Publishing Grouppdiv