1Emilia M, ManuelaP, Roberta P, et al. A rapid and simple procedure for the determination of ephedrine alkaloids in dietary supplements by gas chromatography - mass spectrometry [J]. Journal of pharmaceutical and biomedical analysis, 20(0, 41 (5) : 1633-1641.
2Pawliczak B. The role of radical oxygen speciesin airway inflammation [J]. Pol Merkuriusz Lek, 2003, 14 (84) : 493 -496.
