TY  - RPRT
TI  - Anonymous unlinked testing as a sentinel approach: experience in Germany.
AU  - A Siedler
AU  - O Hamouda
AU  - B Schwartländer
PY  - 1998
UR  - https://pubmed.ncbi.nlm.nih.gov/9764267/
ID  - 9764267
ER  -