TY  - GEN
AU  - Rosati,R A
AU  - Lee,K L
AU  - Califf,R M
AU  - Pryor,D B
AU  - Harrell,F E
TI  - Problems and advantages of an observational data base approach to evaluating the effect of therapy on outcome
SN  - 0009-7322
PY  - 1982///0807
KW  - Clinical Trials as Topic
KW  - Coronary Artery Bypass
KW  - Coronary Disease
KW  - mortality
KW  - Humans
KW  - Information Systems
KW  - Male
KW  - Middle Aged
KW  - Outcome and Process Assessment, Health Care
KW  - Probability
KW  - Prognosis
KW  - Random Allocation
KW  - Statistics as Topic
N1  - Publication Type: Clinical Trial; Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1161/01.cir.65.7.27
ER  -