Child maltreatment and adult violent offending: population-based twin study addressing the 'cycle of violence' hypothesis
Letter to the Editor: Screening for suicide: a comment on Steeg et al
Lifetime co-morbidity of DSM-IV disorders in the US National Comorbidity Survey Replication Adolescent Supplement (NCS-A)
Predicting persistent alcohol problems: a prospective analysis from the Great Smoky Mountain Study