1. Meta-Analyses of the 5-HTTLPR Polymorphisms and Post-Traumatic Stress Disorder Navarro-Mateu, Fernando; Escámez, Teresa; Koenen, Karestan C.; Alonso, Jordi; Sánchez-Meca, Julio 2013 Articles Post-traumatic stress disorder--EtiologyMeta-analysisGenetic polymorphismsGenetics