00434nas a2200169   4500000000100000000000100001008004100002100001700043700001400060700001500074700001200089700001400101245011700115300001200232490000600244022001400250       2013                            d1 aK. Bhaskaran1 aH. Forbes1 aI. Douglas1 aD. Leon1 aL. Smeeth00aRepresentativeness and optimal use of body mass index (BMI) in the UK Clinical Practice Research Datalink (CPRD)  ae0033890 v3  a2044-6055