TY - STAND AU - K. Bhaskaran AU - H. Forbes AU - I. Douglas AU - D. Leon AU - L. Smeeth BT - BMJ Open DO - 10.1136/bmjopen-2013-003389 M1 - 9 PY - 2013 EP - e003389 T2 - BMJ Open TI - Representativeness and optimal use of body mass index (BMI) in the UK Clinical Practice Research Datalink (CPRD) VL - 3 SN - 2044-6055 ER -