1. Association of the rs2242446 polymorphism in the norepinephrine transporter gene SLC6A2 and anxious arousal symptoms of posttraumatic stress disorder Pietrzak, Robert H.; Sumner, Jennifer A.; Aiello, Allison E.; Uddin, Monica; Neumeister, Alexander; Guffanti, Guia; Koenen, Karestan C. 2015 Essays Post-traumatic stress disorderGenetic polymorphismsNoradrenalineMolecular biologyClinical psychologyMental health