TY  - RPRT
TI  - Solid-phase extraction in clinical biochemistry.
AU  - Valerie Walker
AU  - Graham A Mills
PY  - 2002
DO  - 10.1258/000456302320314476
UR  - https://pubmed.ncbi.nlm.nih.gov/12227852/
ID  - 12227852
ER  -