TY  - RPRT
TI  - Liquid chromatographic system for separating opium alkaloids.
AU  - T H Beasley
AU  - D W Smith
AU  - H W Ziegler
AU  - R L Charles
PY  - 1974
UR  - https://pubmed.ncbi.nlm.nih.gov/4814332/
ID  - 4814332
ER  -