TY  - RPRT
TI  - Sample size calculation in economic evaluations.
AU  - M J Al
AU  - B A van Hout
AU  - B C Michel
AU  - F F Rutten
PY  - 1998
DO  - 10.1002/(sici)1099-1050(199806)7:4<327::aid-hec342>3.0.co;2-u
UR  - https://pubmed.ncbi.nlm.nih.gov/9683093/
ID  - 9683093
ER  -