TY  - GEN
AU  - Fleurence,Rachael L
AU  - Naci,Huseyin
AU  - Jansen,Jeroen P
TI  - The critical role of observational evidence in comparative effectiveness research
SN  - 2694-233X
PY  - 2011///0131
KW  - Comparative Effectiveness Research
KW  - methods
KW  - Observation
KW  - United States
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1377/hlthaff.2010.0630
ER  -