Research progress of death education for cancer patients (癌症患者死亡教育的研究进展) oleh ZHU Yalin (朱雅麟), SHI Linlin (石琳琳), WU Siyu (吴思雨), ZHANG Mengling (张梦玲), SU Huiling (苏慧玲), CHAI Shouxia (柴守霞), YANG Liu (杨柳)