AVPR1A Variant Associated with Preschoolers' Lower Altruistic Behavior Avinun, Reut ; Israel, Salomon ; Shalev, Idan ; Gritsenko, Inga ; Bornstein, Gary ; Ebstein, Richard P. ; Knafo, Ariel Abstract Publication: PLoS ONE Pub Date: September 2011 DOI: 10.1371/journal.pone.0025274 Bibcode: 2011PLoSO...625274A