APA

Barroso M., Dias M., Vieira D. N., López-Rivadulla M. & Queiroz J. A. (20100426). Simultaneous quantitation of morphine, 6-acetylmorphine, codeine, 6-acetylcodeine and tramadol in hair using mixed-mode solid-phase extraction and gas chromatography-mass spectrometry. : Analytical and bioanalytical chemistry.

Chicago

Barroso M, Dias M, Vieira D N, López-Rivadulla M and Queiroz J A. 20100426. Simultaneous quantitation of morphine, 6-acetylmorphine, codeine, 6-acetylcodeine and tramadol in hair using mixed-mode solid-phase extraction and gas chromatography-mass spectrometry. : Analytical and bioanalytical chemistry.

Harvard

Barroso M., Dias M., Vieira D. N., López-Rivadulla M. and Queiroz J. A. (20100426). Simultaneous quantitation of morphine, 6-acetylmorphine, codeine, 6-acetylcodeine and tramadol in hair using mixed-mode solid-phase extraction and gas chromatography-mass spectrometry. : Analytical and bioanalytical chemistry.

MLA

Barroso M, Dias M, Vieira D N, López-Rivadulla M and Queiroz J A. Simultaneous quantitation of morphine, 6-acetylmorphine, codeine, 6-acetylcodeine and tramadol in hair using mixed-mode solid-phase extraction and gas chromatography-mass spectrometry. : Analytical and bioanalytical chemistry. 20100426.