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Associations of health related behaviour, social relationships, and health status with persistent physical activity and inactivity: a study of Finnish adolescent twins
Aarnio, MVolume:
36
Language:
english
Journal:
British Journal of Sports Medicine
DOI:
10.1136/bjsm.36.5.360
Date:
October, 2002
File:
PDF, 208 KB
english, 2002