共 50 条
- [26] Statewide prevalence and correlates of walking and bicycling to school ARCHIVES OF PEDIATRICS & ADOLESCENT MEDICINE, 2003, 157 (09): : 887 - 892
- [29] Factors of the physical environment associated with walking and bicycling MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, 2004, 36 (04): : 725 - 730