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机译:Parent and Child Perceptions of Barriers to Active School Commuting
Univ Utah, Dept Hlth Kinesiol & Recreat, 1850 East 250 South Room 251, Salt Lake City, UT 84112 USA;
PlayCore 544 Chestnut St, Chattanooga, TN 37402 USA;
Iowa State Univ, Dept Kinesiol, Ames, IA 50011 USA;