TY  - RPRT
TI  - LC-ESI-MS/MS analysis for the quantification of morphine, codeine, morphine-3-beta-D-glucuronide, morphine-6-beta-D-glucuronide, and codeine-6-beta-D-glucuronide in human urine.
AU  - Constance M Murphy
AU  - Marilyn A Huestis
PY  - 2005
DO  - 10.1002/jms.921
UR  - https://pubmed.ncbi.nlm.nih.gov/16258895/
ID  - 16258895
ER  -