International Journal of Surgery
International Journal of Surgery > 2008 > 6 > Supplement 1 > S4-S6
International Journal of Surgery > 2008 > 6 > Supplement 1 > S19-S21
International Journal of Surgery > 2008 > 6 > Supplement 1 > S4-S6
International Journal of Surgery > 2008 > 6 > Supplement 1 > S19-S21