TY  - RPRT
TI  - Surrogates, survival, and subversion.
AU  - L Rabeneck
PY  - 1997
DO  - 10.1053/jhep.1997.v26.ajhep0261678
UR  - https://pubmed.ncbi.nlm.nih.gov/9398015/
ID  - 9398015
ER  -