Affiliation: | 1. Drug Analysis Laboratory, Forensic Science Division, Supreme Prosecutors' Office, Seoul 137‐730, KoreaDrug Analysis Laboratory, Forensic Science Division, Supreme Prosecutors' Office, 706, Banporo, Seocho‐gu, Seoul 137‐730, Korea.;2. Drug Analysis Laboratory, Forensic Science Division, Supreme Prosecutors' Office, Seoul 137‐730, Korea |