TY  - RPRT
TI  - Utility assessment: methods and research.
AU  - G B Chapman
AU  - A S Elstein
PY  - 1998
DO  - 10.1007/978-0-585-30498-4_2
UR  - https://pubmed.ncbi.nlm.nih.gov/9711406/
ID  - 9711406
ER  -