Farag A.G.A.; Shoiab M.A.; Samaka R.; Abdou A.G.; Elnaidany N.F.; Mansour A.O.M.
(Wolters Kluwer Medknow Publications, 2019)
Background: Second to fourth digit (2D:4D) ratio is the ratio of index to ring fingers length. It reflects prenatal androgen exposure and sensitivity. Androgens are important in the pathogenesis of acne vulgaris, This ratio ...