Media violence.
Bowie
M D
MD
D002648:Child; D002675:Child, Preschool; D006801:Humans; D008402:Mass Media; D010290:Parents / Q000193:education; D010372:Pediatrics; D010819:Physician's Role; D013019:South Africa; D014481:United States; D014754:Violence / Q000517:prevention & control / Q000639:trends