AU - Powell EC, Tanz RR TI - BIcycle burden and balance—reply PT - JOUR DP - 2001 TA - Archives of Pediatrics & Adolescent Medicine pages = {525}, VI - 155 IP - 4 AID - 10.1001/archpedi.155.4.525 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.155.4.525 SO - Archives of Pediatrics & Adolescent Medicine April 1, 2001 155(4):525