1BernardG,Paule B,Scott O,et al.Effects of exercise intensityon cardiovascular fittess,totol body composition,and visceraladiposity of obese adolescents. Am.J.Clinical Nutrition . 2002
2Neumark-Sztainer,D,Story,M,Hannan,PJ,Tharp,T,Rex,J.Factors associated with changes in physical activity: a cohort study of inactive adolescent girls. Archives of Pediatrics and Adolescent Medicine . 2003