TY  - RPRT
TI  - Heterogeneity of Long-History Migration Predicts Smiling, Laughter and Positive Emotion Across the Globe and Within the United States
AU  - Niedenthal, P. M.
AU  - Rychlowska, M.
AU  - Wood, A.
AU  - Zhao, F.
PY  - 2018
DO  - 10.1101/317289
UR  - https://www.biorxiv.org/content/10.1101/317289v1
ID  - 10.1101/317289
ER  -