TY  - RPRT
TI  - [Analysis of pharmaceutical preparations containing simultaneously codeine and ethyl-morphine. Determination of the 2 alkaloids after chromatographic separation].
AU  - H Wullen
AU  - H Thielemans
UR  - https://pubmed.ncbi.nlm.nih.gov/5720062/
ID  - 5720062
ER  -