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American Journal of Diseases of Children (1960)|February 1, 1991
Skateboarding injuries in children. A second waveJ Retsky, D Jaffe, K ChristoffelPediatrician|January 1, 1983
American as apple pie; guns in the lives of US children and youthK K ChristoffelAmerican Journal of Industrial Medicine|September 1, 1993
Child and adolescent injury in the United States: how occupational injuries fit inK K ChristoffelPediatrics|August 1, 1991
Toward reducing pediatric injuries from firearms: charting a legislative and regulatory courseK K ChristoffelAmerican Journal of Public Health|January 1, 1984
Homicide in childhood: a public health problem in need of attentionK K ChristoffelAmerican Journal of Public Health|May 9, 2000
Public health advocacy: process and productK K ChristoffelActa Paediatrica Japonica : Overseas Edition|June 1, 1993
Definition and classification of childhood injuriesK K ChristoffelThe American Journal of Emergency Medicine|July 1, 1985
Effect of season and weather on pediatric emergency department useK K ChristoffelAmerican Journal of Diseases of Children (1960)|June 1, 1990
Violent death and injury in US children and adolescentsK K ChristoffelPageof 23