TY - GEN AU - Slechtová,R AU - Chundela,B TI - [Structural changes in ephedrine during its isolation] SN - 0371-1854 PY - 1982///0917 KW - Chemical Phenomena KW - Chemistry KW - Chromatography, Gas KW - Ephedrine KW - urine KW - Forensic Medicine KW - Humans KW - Mass Spectrometry KW - Substance-Related Disorders KW - diagnosis N1 - Publication Type: English Abstract; Journal Article ER -