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Balchen M, Halvorsen TG, Reubsaet L, Pedersen-Bjergaard S.Balchen M, et al. Among authors: halvorsen tg.J Chromatogr A. 2009 Oct 9;1216(41):6900-5. doi: 10.1016/j.chroma.2009.08.037. Epub 2009 Aug 21.J Chromatogr A. 2009.PMID: 19720379
Pedersen-Bjergaard S, Rasmussen KE, Halvorsen TG.Pedersen-Bjergaard S, et al. Among authors: halvorsen tg.J Chromatogr A. 2000 Dec 1;902(1):91-105. doi: 10.1016/s0021-9673(00)00738-x.J Chromatogr A. 2000.PMID: 11192163Review.
Halvorsen TG, Pedersen-Bjergaard S, Rasmussen KE.Halvorsen TG, et al.J Chromatogr A. 2001 Feb 9;909(1):87-93. doi: 10.1016/s0021-9673(00)00868-2.J Chromatogr A. 2001.PMID: 11218145
Ho TS, Halvorsen TG, Pedersen-Bjergaard S, Rasmussen KE.Ho TS, et al. Among authors: halvorsen tg.J Chromatogr A. 2003 May 23;998(1-2):61-72. doi: 10.1016/s0021-9673(03)00634-4.J Chromatogr A. 2003.PMID: 12862372