Conference ProceedingsCutoff Concentration of Ketamine and Metabolite in Urine Was Set in Taiwan for Certified LaboratoriesPresenting section:Jurisprudence2005Li, Jih-Heng, Taipei Taiwan, Republic of China; Liu, Chiareiy, Taipei Taiwan, Republic of China; Tsay, Wen-Ing, Taipei Taiwan, Republic of China; Lee, Choung-Huei, Taipei Taiwan, Republic of ChinaView the paperJurisprudence