The American Journal of Surgery
The American Journal of Surgery > 2012 > 203 > 6 > 721-725
The American Journal of Surgery > 2012 > 203 > 6 > 768-775
The American Journal of Surgery > 2012 > 203 > 6 > 793-797
The American Journal of Surgery > 2012 > 203 > 6 > 782-784