title: Pioneering first steps and cautious conclusions.
authors.affiliation: Genetic Basis of Mood & Anxiety Disorders, National Institute of Mental Health, National Institutes of Health, US Department of Health and Human Services, Bethesda, Maryland, USA. mcmahonf@mail.nih.gov
authors.forename: Francis J
authors.initials: FJ
authors.lastname: McMahon
mesh_terms: D003863:Depression / Q000235:genetics*; D020022:Genetic Predisposition to Disease; D055106:Genome-Wide Association Study / Q000379:methods; D006801:Humans