div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader030vdocumentsusreader030viewer2022020522575067d91a28ab0f07ad701chtml5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Phosphorus and Calcium Deficiency Diseases as Two Ætiologically Distinct Entities src=https:reader030vdocumentsusreader030viewer2022020522575067d91a28ab0f07ad701chtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© 1937 Nature Publishing Grouppdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader030vdocumentsusreader030viewer2022020522575067d91a28ab0f07ad701chtml5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: Phosphorus and Calcium Deficiency Diseases as Two Ætiologically Distinct Entities src=https:reader030vdocumentsusreader030viewer2022020522575067d91a28ab0f07ad701chtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divp© 1937 Nature Publishing Grouppdiv