TY  - JOUR
TI  - Matching Using Estimated Propensity Scores: Relating Theory to Practice
AU  - Donald B. Rubin
AU  - Neal Thomas
JO  - Biometrics
PY  - 1996
VL  - 52
IS  - 1
DO  - 10.2307/2533160
UR  - https://doi.org/10.2307/2533160
ER  -