Combined D-2- and L-2-hydroxyglutaric aciduria with neonatal onset encephalopathy: a third biochemical variant of 2-hydroxyglutaric aciduria? - Muntau,A.C.; Röschinger,W.; Merkenschlager,A.; van der Knaap,M.S.; Jakobs,C.; Duran,M. (Neuropediatrics, 2000)