The use of cyclohexanone as a “derivatizing” reagent for the GC–MS detection of amphetamines and ephedrines in seizures and the urine von El-Haj, B.M., Al-Amri, A.M., Hassan, M.H., Ali, H.S., Bin Khadem, R.K.

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Investigation Into Some Aspects of EMIT d.a.u., TLC, and GC-MS Urinalysis of Bromazepam von El-Haj, B.M., Al-Amri, A.M., Hassan, M.H., Bin-Khadem, R.K.

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A GC-MS Method for the Detection of Toluene and Ethylbenzene in Volatile Substance Abuse von El-Haj, B.M., Al-Amri, A.M., Hassan, M.H., Bin-Khadem, R.K., Al-Hadi, A.A.

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The GC/MS analysis of some commonly used non-steriodal anti-inflammatory drugs (NSAIDs) in pharmaceutical dosage forms and in urine von El Haj, B.M, Al Ainri, A.M, Hassan, M.H, Bin Khadem, R.K, Marzouq, M.S

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The GC/MS analysis of some commonly used non-steroidal anti-inflammatory drugs (NSAIDS) in pharmaceutical dosage forms and in urine von EL HAJ, B. M, AL AINRI, A. M, HASSAN, M. H, BIN KHADEM, R. K, MARZOUQ, M. S

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