The 2D:4D ratio, a proxy for prenatal androgen levels, differs in men with and without MS. Bove R, Malik MT, Diaz-Cruz C, Chua A, Saraceno TJ, Bargiela D, Greeke E, Glanz BI, Healy BC, Chitnis T Neurology. 2015 Sep 4. PMID: 26341868. Abstract CommentRecommendBookmarkWatch