TY  - RPRT
TI  - Perspectives in economic evaluation.
AU  - S Byford
AU  - J Raftery
PY  - 1998
DO  - 10.1136/bmj.316.7143.1529
UR  - https://pubmed.ncbi.nlm.nih.gov/9582152/
ID  - 9582152
ER  -