AU - You Y TI - RIsk factors for young-onset advanced colorectal cancer—reply PT - JOUR DP - 2012 TA - Archives of Internal Medicine pages = {971-972}, VI - 172 IP - 12 AID - 10.1001/archinternmed.2012.2001 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2012.2001 SO - Archives of Internal Medicine June 25, 2012 172(12):971