Second-to-fourth digit ratio (2D:4D) in psychiatric disorders: A systematic review of case-control studies
Laura Fusar-Poli 1*, Alessandro Rodolico 1, Serena Sturiale 1, Bianca Carotenuto 1, Antimo Natale 1, Davide Arillotta 1, Spyridon Siafis 2, Maria Salvina Signorelli 1, Eugenio Aguglia 1
1Department of Clinical and Experimental Medicine, Psychiatry Unit, University of Catania, Italy, 2Department of Psychiatry and Psychotherapy, School of Medicine, Technische Universität München, Germany