Parents' Perspective on Symptoms, Quality of Life, Characteristics of Death and End-of-Life Decisions for Children Dying from Cancer - Hechler, T; Blankenburg, M; Friedrichsdorf, S J; Garske, D; Hübner, B; Menke, A; Wamsler, C; Wolfe, J; Zernikow, B (Klinische Pädiatrie, 2008)