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1
00007256-200333040-00003
00007256-200333040-00003
http://dx.doi.org/10.2165/00007256-200333040-00003
Secular trends in the performance of children and adolescents (1980-2000): an analysis of 55 studies of the 20m shuttle run test in 11 countries.
P356
Q34189860-E16F1B0F-24A6-4005-B867-F3CD2B3F8F36
P356
00007256-200333040-00003
http://dx.doi.org/10.2165/00007256-200333040-00003