AU - Matlock DD, MD, MPH, Peterson PN, MD, MSPH, Wang Y, MS, et al TI - Variation in use of dual-chamber implantable cardioverter-defibrillators: Results from the national cardiovascular data registry PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {634-641}, VI - 172 IP - 8 AID - 10.1001/archinternmed.2012.394 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2012.394 SO - Archives of Internal Medicine April 23, 2012 172(8):634