00415nas a2200145 4500000000100000000000100001008004100002100001400043700001500057700001200072700001300084245015400097300001200251490000600263 2000 d1 aP. Tooley1 aR. Cookson1 aM Jones1 aG. Nuyts00aMedical events and resource utilisation in cancer-pain patients treated with strong opioids: an analysis of the UK General Practice Research Database a221-2330 v3