TY - JOUR TI - Stratification and weighting via the propensity score in estimation of causal treatment effects: a comparative study AU - Jared K. Lunceford AU - Marie Davidian JO - Statistics in Medicine PY - 2004 VL - 23 IS - 19 DO - 10.1002/sim.1903 UR - https://doi.org/10.1002/sim.1903 ER -