TY  - RPRT
TI  - Surrogate threshold effect: an alternative measure for meta-analytic surrogate endpoint validation.
AU  - Tomasz Burzykowski
AU  - Marc Buyse
DO  - 10.1002/pst.207
UR  - https://pubmed.ncbi.nlm.nih.gov/17080751/
ID  - 17080751
ER  -