title: Finding the causal chain.
authors.affiliation: Harvard Medical School, Judge Baker Children's Center, Boston, MA 02115, USA.
authors.forename: S T
authors.initials: ST
authors.lastname: Hauser
mesh_terms: D000342:Affective Symptoms / Q000209:etiology*; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D005190:Family; D005260:Female; D006801:Humans; D008297:Male; D008913:Minority Groups; D011203:Poverty; D012931:Social Environment