Clinical and Laboratory Findings in Twins with Neonatal Epileptic Encephalopathy Mimicking Aromatic L-Amino Acid Decarboxylase Deficiency - Bräutigam, C; Hyland, K; Wevers, R; Sharma, R; Wagner, L; Stock, G -J; Heitmann, F; Hoffmann, G F (Neuropediatrics, 2002)