1B reitbartW,Chand ler S,Eagel B,et al.An alternative algorithm for do-sing transdermal fentanyl for cancer-related pain. Oncology (W illistonPark) . 2000
2NCCN clinical practice guidelines in oncology-colon cancer guideline(OL)http://www.nccn.org/professionals/physiciangls/PDF/colon . 2011