Daniel N. Klein, Bruce A. Arnow, Jennifer L. Barkin, Frank Dowling, James H. Kocsis, Andrew C. Leon, Rachel Manber, Barbara O. Rothbaum, Madhukar H. Trivedi, Stephen R. Wisniewski,
Early adversity in chronic depression: clinical correlates and response to pharmacotherapy†‡ Depression and Anxiety. ,vol. 26, pp. 701- 710 ,(2009) ,
10.1002/DA.20577