Sample size and power issues in estimating incremental cost-effectiveness ratios from clinical trials data.
Health Econ. 1999 May;8(3):203-11. doi: 10.1002/(sici)1099-1050(199905)8:3<203::aid-hec413>3.0.co;2-7.
Health Econ. 1999.
PMID: 10348415