Capillary electrophoresis tandem mass spectrometry determination of glutamic acid and homocysteine's metabolites: potential biomarkers of amyotrophic lateral sclerosis - Cieslarova, Zuzana; Lopes, Fernando Silva; Lago, Claudimir Lucio do; França Jr., Marcondes Cavalcante; Simionato, Ana Valéria Colnaghi (Talanta, 2017)