Sheryl A. Ryan

The effects of regular source of care and health need on medical care use among rural adolescents.

A. Riley, B. Starfield, S. Ryan, 2001, Archives of pediatrics & adolescent medicine.

Behavior and injury in urban and rural adolescents.

A. Riley, B. Starfield, S. Ryan, 1996, Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention.