title: How many subjects are needed in a research sample in palliative care?
authors.affiliation: Centre for Cancer and Palliative Care Studies Institute of Cancer Research/RMH NHS Trust, Sutton.
authors.forename: S
authors.initials: S
authors.lastname: Faithfull
mesh_terms: D017051:Hospice Care; D006801:Humans; D015203:Reproducibility of Results; D012107:Research Design / Q000592:standards*; D015983:Selection Bias; D012680:Sensitivity and Specificity