Retraction Note: Pancreatic cancer-initiating cell exosome message transfer into noncancer-initiating cells: the importance of CD44v6 in reprogramming No … ← Integrating internationally qualified nurses: a qualitative exploration of nurse managers' influence from nurses' experiences Biopsy-derived organoids in personalised early breast cancer care: Challenges of tumour purity and normal cell overgrowth cap their practical utility →