Conference ProceedingsSimultaneous Determinaltion of HFBA-Derivatized Amphetamines and Ketamines in the Urine by GC-MSPresenting section:Toxicology2006Tsai, Jin-Lian, Kaohsiung Taiwan, Republic of China; Lee, Hei Hwa, Kaohsiung Taiwan, Republic of ChinaView the paperToxicology