00372nas a2200121   4500000000100000008004100001100001500042700001300057700001200070700001300082245014100095022001400236       2021                            d1 aT. Burkard1 aM. Rauch1 aS. Jick1 aC. Meier00aValidity of bariatric surgery codes in the UK Clinical Practice Research Datalink (CPRD) GOLD compared with Hospital Episodes Statistics  a1053-8569