TY  - RPRT
TI  - Economics notes: cost effectiveness calculations and sample size.
AU  - D J Torgerson
AU  - M K Campbell
PY  - 2000
DO  - 10.1136/bmj.321.7262.697
UR  - https://pubmed.ncbi.nlm.nih.gov/10987781/
ID  - 10987781
ER  -