AU  - Neumark-Sztainer D, Story M, Hannan PJ, Tharp T, Rex J
TI  - Factors associated with changes in physical activity: A cohort study of inactive adolescent girls
PT  - JOUR
DP  - 2003
TA  - Archives of Pediatrics & Adolescent Medicine
pages = {803-810},
VI  - 157
IP  - 8
AID  - 10.1001/archpedi.157.8.803 [doi]
4100  - http://dx.doi.org/10.1001/archpedi.157.8.803
SO  - Archives of Pediatrics & Adolescent Medicine August 1, 2003 157(8):803