title: Clues to the role of socioenvironmental factors.
mesh_terms: D000300:Adoption; D004200:Diseases in Twins; D005823:Genetics; D006801:Humans; D008016:Life Change Events; D012107:Research Design; D012559:Schizophrenia / Q000209:etiology*; D012931:Social Environment; D013315:Stress, Psychological