Media type: E-Article Title: Psychosocial risk factors for postpartum depression and their relation to timing of onset: The Hamamatsu Birth Cohort (HBC) Study Contributor: Mori, Tsuruko; Tsuchiya, Kenji J.; Matsumoto, Kaori; Suzuki, Katsuaki; Mori, Norio; Takei, Nori imprint: Elsevier BV, 2011 Published in: Journal of Affective Disorders Language: English DOI: 10.1016/j.jad.2011.07.012 ISSN: 0165-0327 Keywords: Psychiatry and Mental health ; Clinical Psychology Origination: Footnote: