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APA Citation
Wu, R., Li, N., Shu, R., An, N., Yi, F., Yang, W., & Li, C. (2017). determination of Polycyclic Aromatic Hydrocarbons in Mosses by Ultrasonic-Assisted Extraction and Gas Chromatography–Tandem Mass Spectrometry. Analytical letters, 50, 243–257. http://access.bl.uk/ark:/81055/vdc_100041230533.0x00005f