Bibliografisk träff 1998-09-01 Enantioselective multidimensional gas chromatography-mass spectrometry in the analysis of urinary organic acids. Heil M, Podebrad F, Beck T, Mosandl A, Sewell AC, Böhles H. J Chromatogr B Biomed Sci Appl · journal article; case reports · DOI 10.1016/s0378-4347(98)00233-3