TY  - RPRT
TI  - Solid-phase extraction-high-performance liquid chromatography-ion trap mass spectrometry for analysis of trace concentrations of macrolide antibiotics in natural and waste water matrices.
AU  - S Yang
AU  - K H Carlson
PY  - 2004
DO  - 10.1016/j.chroma.2004.02.084
UR  - https://pubmed.ncbi.nlm.nih.gov/15233530/
ID  - 15233530
ER  -