Oler & Fox et al. - 2010
        
          written 
        
        
  
 Oler JA*,   Fox AS*,   Shelton SE,   Rogers J,   Blangero J,   Davidson RJ,   Shelledy W,   Oakes TR,   Dyer T,   Kalin NH     (2010). Amygdalar and hippocampal substrates of anxious temperament differ in their heritability.  Nature. 466, 864-868 
 