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A high-performance liquid chromatography–diode array detector method (HPLC-DAD) was developed and validated for the determination of tramadol in human saliva. Samples of saliva were prepared(More)
Analytical procedures for the determination of tramadol (T), O-desmethyltramadol (ODT), and N-desmethyltramadol (NDT) in human urine have been developed and validated using gas chromatography-mass(More)