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Pediatric Emergency Care|March 1, 1988
Adolescent suicide and suicide attempts: a population studyK K Christoffel, D Marcus, S Sagerman, et al.
Pediatrics|February 1, 1985
Are toy guns too dangerous?R Tanz, K K Christoffel, S Sagerman
American Journal of Diseases of Children (1960)|June 1, 1984
Childhood injuries caused by nonpowder firearmsK K Christoffel, R Tanz, S Sagerman, et al.
American Journal of Industrial Medicine|September 1, 1993
Child and adolescent injury in the United States: how occupational injuries fit inK K Christoffel
American Journal of Public Health|January 1, 1984
Homicide in childhood: a public health problem in need of attentionK K Christoffel
American Journal of Public Health|May 9, 2000
Public health advocacy: process and productK K Christoffel
Acta Paediatrica Japonica : Overseas Edition|June 1, 1993
Definition and classification of childhood injuriesK K Christoffel
The American Journal of Emergency Medicine|July 1, 1985
Effect of season and weather on pediatric emergency department useK K Christoffel
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