00414nas a2200157 4500000000100000000000100001008004100002100001100043700001700054700001400071700001700085245012600102300000700228490000700235022001400242 2020 d1 aW. Gao1 aM. Gulliford1 aM. Morgan1 aI. Higginson00aPrimary care service use by end-of-life cancer patients: a nationwide population-based cohort study in the United Kingdom a760 v21 a1471-2296