TY  - RPRT
TI  - Optimizing sampling strategies for estimating quality-adjusted life years.
AU  - S D Ramsey
AU  - R Etzioni
AU  - A Troxel
AU  - N Urban
DO  - 10.1177/0272989x9701700408
UR  - https://pubmed.ncbi.nlm.nih.gov/9343801/
ID  - 9343801
ER  -