We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe possible effects of depressive symptoms on risk of preterm birth are clouded by lack of control over confounding factors.AuthorsYonkers, Kimberly APublicationEvidence-based medicine, 2013, Vol 18, Issue 5, p194ISSN1473-6810Publication typeJournal ArticleDOI10.1136/eb-2012-101136