| http://www.w3.org/ns/prov#value | - 6 though such studies had limited follow-up and lacked data on potentially important confounders such as smoking.We used the large amount of real world follow-up data available in the UK General Practice Research Database (www.gprd.com/products/database.asp) to assess the overall risk of cancer and the risk of major site specific cancers (lung, breast, prostate, colon) associated with use of angio
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