TY  - RPRT
TI  - Improved one-step solid-phase extraction method for morphine, morphine-3-glucuronide, and morphine-6-glucuronide from plasma and quantitation using high-performance liquid chromatography with electrochemical detection.
AU  - A W Wright
AU  - M T Smith
PY  - 1998
DO  - 10.1097/00007691-199804000-00013
UR  - https://pubmed.ncbi.nlm.nih.gov/9558137/
ID  - 9558137
ER  -