The American Journal of Surgery
The American Journal of Surgery > 2012 > 203 > 1 > 21-25
The American Journal of Surgery > 2012 > 203 > 4 > 523-529
The American Journal of Surgery > 2012 > 204 > 1 > 103-109
The American Journal of Surgery > 2012 > 204 > 2 > 248-255