00493nas a2200181   4500000000100000008004100001100001200042700001400054700001300068700001400081700001300095700001400108700001300122245014300135300001200278490000700290022001400297       2018                            d1 aC. Arhi1 aA. Bottle1 aE. Burns1 aJ. Clarke1 aP. Aylin1 aP. Ziprin1 aA. Darzi00aComparison of cancer diagnosis recording between the Clinical Practice Research Datalink, Cancer Registry and Hospital Episodes Statistics  a148-1570 v57  a1877-7821