div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=blood-groups-of-the-noluas-of-bengalhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Blood Groups of the Noluas of Bengal loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer2022020522575067db1a28ab0f07ad79b1html5thumbnails1jpg width=140 height=200 divp© 1938 Nature Publishing Grouppdiv