TY  - JOUR
TI  - A tutorial on propensity score estimation for multiple treatments using generalized boosted models
AU  - Daniel F. McCaffrey
AU  - Beth Ann Griffin
AU  - Daniel Almirall
AU  - Mary E. Slaughter
AU  - Rajeev N Ramchand
AU  - Lane F. Burgette
JO  - Statistics in Medicine
PY  - 2013
VL  - 32
IS  - 19
DO  - 10.1002/sim.5753
UR  - https://doi.org/10.1002/sim.5753
ER  -