AU - Field AE, Gordon CM, Pierce LM, Ramappa A, Kocher MS TI - PRospective study of physical activity and risk of developing a stress fracture among preadolescent and adolescent girls PT - JOUR DP - 2011 TA - Archives of Pediatrics & Adolescent Medicine pages = {723-728}, VI - 165 IP - 8 AID - 10.1001/archpediatrics.2011.34 [doi] 4100 - http://dx.doi.org/10.1001/archpediatrics.2011.34 SO - Archives of Pediatrics & Adolescent Medicine August 1, 2011 165(8):723