TY - JOUR AU - Gunnery, SD; Ruben, MA TI - Perceptions of Duchenne and non-Duchenne smiles: A meta-analysis. JO - Cognition and Emotion VL - 30 PY - 2016 DO - 10.1080/02699931.2015.1018817 L3 - PubMed-ID: 25787714 SP - 501 EP - 515 ER -