Authors: Magera, MJ Stoor, AL Helgeson, JK Matern, D Rinaldo, P

Citation: Mj. Magera et al., Determination of homovanilic acid in urine by stable isotope dilution and electrospray tandem mass spectrometry, CLIN CHIM A, 306(1-2), 2001, pp. 35-41

Authors: Magera, MJ Helgeson, JK Matern, D Rinaldo, P

Citation: Mj. Magera et al., Methylmalonic acid measured in plasma and urine by stable-isotope dilutionand electrospray tandem mass spectrometry, CLIN CHEM, 46(11), 2000, pp. 1804-1810