(Q50674092)
Statements
Comparing physical activity questionnaires for youth: seasonal vs annual format. (English)
1 reference
1 reference
Field AE
1 reference
Berkey CS
1 reference
Frazier AL
1 reference
Rifas-Shiman SL
1 reference
Gillman MW
1 reference
Tomeo CA
1 reference
1 May 2001
1 reference
20
1 reference
4
1 reference
282-285
1 reference