TY - STAND AU - M. Gulliford AU - X. Sun AU - T. Anjuman AU - E. Yelland AU - T. Murray-Thomas BT - BMJ Open DO - 10.1136/bmjopen-2020-038767 M1 - 6 PY - 2020 EP - e038767 T2 - BMJ Open TI - Comparison of antibiotic prescribing records in two UK primary care electronic health record systems: cohort study using CPRD GOLD and CPRD Aurum databases VL - 10 SN - 2044-6055 ER -