div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader042fdocumentorgreader042viewer2022020522575068081a28ab0f07ae45eahtml5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: Antifibromatogenic Potency of 9α-fluoro Derivatives of Progesterone src=https:reader042fdocumentorgreader042viewer2022020522575068081a28ab0f07ae45eahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© 1956 Nature Publishing Grouppdivdiv class=trans-pagebuttonPage 2button div class=trans-image a href=https:reader042fdocumentorgreader042viewer2022020522575068081a28ab0f07ae45eahtml5page2jpg target=_blank amp-img class=trans-thumb alt=Page 2: Antifibromatogenic Potency of 9α-fluoro Derivatives of Progesterone src=https:reader042fdocumentorgreader042viewer2022020522575068081a28ab0f07ae45eahtml5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divp© 1956 Nature Publishing Grouppdiv