1. Examining sex differences in DSM-IV-TR narcissistic personality disorder symptom expression using Item Response Theory (IRT). (February 2018) Authors: Hoertel, Nicolas; Peyre, Hugo; Lavaud, Pierre; Blanco, Carlos; Guerin-Langlois, Christophe; René, Margaux; Schuster, Jean-Pierre; Lemogne, Cédric; Delorme, Richard; Limosin, Frédéric Journal: Psychiatry research Issue: Volume 260(2018) Page Start: 500 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗