Clinicians' experiences, perspectives, barriers, and facilitators of integrating palliative care into hematological malignancy care: a qualitative interview study. - van den Berg BM; Heipon CS; Korf C; van Rhenen A; Posthuma EFM; van der Linden YM; Pasman HR; Raijmakers NJH; Brom L (Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer, 2025)