Second-to-fourth digit ratio and seborrheic dermatitis in males: a cross-sectional study*
An. bras. dermatol; 94 (3), 2019
Abstract: Background: Seborrheic dermatitis is a common disease characterized by the erythematous plaques with oily-yellow desquamation. Increased sebaceous gland activity by androgenic hormones has played a role in the etiology of the disease. The second-to-fourth digit (2D:4D) ratio is thought to be a...