The American Journal of Surgery
The American Journal of Surgery > 2012 > 203 > 2 > 217-221
The American Journal of Surgery > 2012 > 203 > 3 > 343-346
The American Journal of Surgery > 2012 > 204 > 2 > 139-143
The American Journal of Surgery > 2012 > 204 > 4 > 494-501