Alfazema, Louisa N., Richards, Don S., Gélébart, Sylvie, Mitchell, John C. ORCID: https://orcid.org/0000-0003-2945-3292 and Snowden, Martin J. ORCID: https://orcid.org/0000-0002-1087-2692 (2005) Rapid, accurate and precise quantitative drug analysis: comparing liquid chromatography tandem mass spectrometry and chip-based nanoelectrospray ionisation mass spectrometry. European Journal of Mass Spectrometry, 11 (4). pp. 393-402. ISSN 1469-0667 (Print), 1356-1049 (Online) (doi:10.1255/ejms.772)