Maldarelli, C., Here’s Why Twin Studies Are So Important To Science And NASA, in Popular Science. 2016, @popsci: popsci.com.
326
Kendler, K.S., et al., A Swedish national twin study of lifetime major depression. Am J Psychiatry, 2006. 163 (1): p. 109–14.
327
Kensinger, E.A. and S. Corkin, Two routes to emotional memory: Distinct neural processes for valence and arousal. Proceedings of the National Academy of Sciences of the United States of America, 2004. 101 (9): p. 3310–3315.