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- Adolescence (3)
- Adolescence--Social aspects (1)
- Adolescent psychology (1)
- Adolescent psychopathology--Addresses, essays, lectures (1)
- Growth - in adolescence (1)
- Health Surveys - Netherlands (1)
- Longitudinal Studies (1)
- Physical Education and Training - Netherlands (1)
- Physical Fitness (1)
- Teenagers--Physiology (1)