title: Twins behaving badly.
authors.forename: J J
authors.initials: JJ
authors.lastname: Harding
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D004200:Diseases in Twins / Q000235:genetics*; D006801:Humans; D012920:Social Behavior Disorders / Q000235:genetics*; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic