TY  - RPRT
TI  - A perfect correlate does not a surrogate make.
AU  - Stuart G Baker
AU  - Barnett S Kramer
PY  - 2003
DO  - 10.1186/1471-2288-3-16
UR  - https://pubmed.ncbi.nlm.nih.gov/12962545/
ID  - 12962545
ER  -