TY - STAND AU - M. Eberg AU - R. Platt AU - P. Reynier AU - K. Filion BT - Pharmacoepidemiol Drug Saf DO - 10.1002/pds.4890 PY - 2019 T2 - Pharmacoepidemiol Drug Saf TI - Estimation of high-dimensional propensity scores with multiple exposure levels SN - 1053-8569 ER -