AU - Francis ML, Scaife SL, Zahnd WE TI - RUral-urban differences in surgical procedures for medicare beneficiaries PT - JOUR DP - 2011 TA - Archives of Surgery pages = {579-583}, VI - 146 IP - 5 AID - 10.1001/archsurg.2010.306 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.2010.306 SO - Archives of Surgery May 1, 2011 146(5):579