Short half-life GHB 30 min, ketamine 2-3 h, benzodiazepines variable; LC-MS/MS screening with low-pg/mL LOQ; hair analysis extends detection window weeks-months.
Short half-life GHB 30 min, ketamine 2-3 h, benzodiazepines variable; LC-MS/MS screening with low-pg/mL LOQ; hair analysis extends detection window weeks-months.