Statistics and death certificates.
Spivack
B S
BS
D002423:Cause of Death; D002648:Child; D002649:Child Abuse / Q000401:mortality*; D002675:Child, Preschool; D003644:Death Certificates; D006708:Homicide / Q000706:statistics & numerical data*; D006801:Humans; D007223:Infant; D014481:United States; D014798:Vital Statistics