The American Journal of Surgery
The American Journal of Surgery > 2012 > 203 > 4 > 535-539
The American Journal of Surgery > 2012 > 203 > 6 > 776-781
The American Journal of Surgery > 2012 > 203 > 6 > 768-775
The American Journal of Surgery > 2012 > 204 > 5 > 724-731