L C Barrios

Trends and subgroup differences in transportation-related injury risk and safety behaviors among high school students, 1991-1997.

S A Everett, J J Sacks, J. Sacks, 2001, The Journal of adolescent health : official publication of the Society for Adolescent Medicine.

School policy and environment: results from the School Health Policies and Programs Study 2000.

D A Sleet, D. Sleet, L. Dahlberg, 2001, The Journal of school health.