A Behavior Genetic Analysis of Pleasant Events, Depressive Symptoms, and Their Covariation
Clinical Psychological Science (2014) - Comment
pubmed: 25506045  doi: 10.1177/2167702613512793  issn: 2167-7026  issn: 2167-7034 

Mark A. Whisman, Daniel P. Johnson, Soo Hyun Rhee