AU - Gordon CM, DePeter KC, Feldman HA, Grace E, Emans S TI - PRevalence of vitamin d deficiency among healthy adolescents PT - JOUR DP - 2004 TA - Archives of Pediatrics & Adolescent Medicine pages = {531-537}, VI - 158 IP - 6 AID - 10.1001/archpedi.158.6.531 [doi] 4100 - http://dx.doi.org/10.1001/archpedi.158.6.531 SO - Archives of Pediatrics & Adolescent Medicine June 1, 2004 158(6):531