2. Yun YH, Kwak M, Park SM, Kim S, Choi JS, Lim HY, Lee CG, Choi YS, Hong YS, Kim SY, Heo DS. Chemotherapy use and associated factors among cancer patients near the end of life. Oncology 2007;72:164-171.
3. Keam BS, Oh DY, Lee SH, Kim DW, Kim MR, Im SA, Kim TY, Bang YJ, Heo DS. Aggressiveness of cancer-care near the end-of-life in Korea. Japanese Journal of Clinical On-cology 2008;38:381-386.
4. Oh DY, Kim JE, Lee CH, Lim JS, Jung KH, Heo DS, Bang YJ, Kim NK. Discrepancies among patients, family members, and physicians in Korea in terms of values regarding the withholding of treatment from patients with terminal malignancies. Cancer 2004;100:1961-1966.