TY  - RPRT
TI  - Solid-phase extraction and derivatisation methods for beta-blockers in human post mortem whole blood, urine and equine urine.
AU  - S B Black
AU  - A M Stenhouse
AU  - R C Hansson
PY  - 1996
DO  - 10.1016/0378-4347(96)00140-5
UR  - https://pubmed.ncbi.nlm.nih.gov/8930755/
ID  - 8930755
ER  -