AU - Maciejewski ML, Livingston EH, Smith VA, Kahwati LC, Henderson WG, Arterburn DE TI - HEalth expenditures among high-risk patients after gastric bypass and matched controls PT - JOUR DP - 2012 TA - Archives of Surgery pages = {633-640}, VI - 147 IP - 7 AID - 10.1001/archsurg.2012.818 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.2012.818 SO - Archives of Surgery July 1, 2012 147(7):633