TY - STAND AU - J. Tazare AU - L. Smeeth AU - S. Evans AU - E. Williamson AU - I. Douglas BT - Pharmacoepidemiol Drug Saf DO - 10.1002/pds.5121 PY - 2020 T2 - Pharmacoepidemiol Drug Saf TI - Implementing high-dimensional propensity score principles to improve confounder adjustment in UK electronic health records SN - 1053-8569 ER -