Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA twin-singleton comparison of problem behaviour in 2-3-year-olds.Authorsvan den Oord EJ; Koot HM; Boomsma DI; Verhulst FC; Orlebeke JFPublicationJournal of child psychology and psychiatry, and allied disciplines, 1995, Vol 36, Issue 3, p449ISSN0021-9630Publication typearticleDOI10.1111/j.1469-7610.1995.tb01302.x