title: Why are trials in palliative care so difficult?
authors.forename: D C
authors.initials: DC
authors.lastname: Saunders
authors.forename: R
authors.initials: R
authors.lastname: Twycross
mesh_terms: D004341:Drug Evaluation / Q000379:methods*; D006801:Humans; D010166:Palliative Care; D016032:Randomized Controlled Trials as Topic