The American Journal of Surgery
The American Journal of Surgery > 1997 > 173 > 1 > 9-11
The American Journal of Surgery > 1997 > 173 > 1 > 59-62
The American Journal of Surgery > 1997 > 173 > 1 > 9-11
The American Journal of Surgery > 1997 > 173 > 1 > 59-62