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[769], 'Study': [772], 'Inborn': [774], 'Errors': [775], 'Metabolism,': [777], '31st': [778], 'Annual': [779], 'Symposium,': [780], 'Manchester,': [781], 'Lancaster,': [783], 'UK': [784], 'Kluwer': [786], 'Academic.': [787], '26.': [789], 'Levitt': [792], 'Nixon': [794], 'Pincus': [796], 'Bertino': [798], 'J.': [799], '(1971)': [800], 'Transport': [801], 'characteristics': [802], 'cerebrospinal': [806, 984], 'fluid;': [807], 'study': [809], 'utilising': [810], 'doubly': [811], 'labelled': [812], '5-methyltetrahydrofolate': [813], '5-formyltetrahydrofolate.': [815], 'Clin': [817, 855], 'Invest': [818], '50:': [819], '1301–1308.': [820], '10.1172/JCI106609': [821], 'Moat': [826], 'SJ,': [827], 'Bonham': [828], 'JR,': [829], 'Tanner': [830], 'MS,': [831], 'Allen': [832], 'Powers': [834], 'HJ.': [835, 1104], '(1999)': [836], 'Recommended': [837], 'approaches': [838], 'laboratory': [841], 'measurement': [842], 'homocysteine': [844], 'diagnosis': [847], 'monitoring': [849], 'hyperhomocysteinaemia.': [853], 'Ann': [854], '36:': [857], '372–379.': [858], '10.1177/000456329903600311': [859], 'Scherer': [864], 'K.': [865], '(2003)': [866], 'Neurologic': [867], 'manifestations': [868], 'vitamin': [870], 'B12': [871], 'N': [873], 'Engl': [874], '348:': [877], '2208.': [878], '(Abstract).': [879], '10.1056/NEJMicm020588': [880], 'PubMedWeb': [881], 'Schwahn': [885], '(2001)': [889], 'Polymorphisms': [890], 'gene:': [895], 'consequences.': [897], 'Pharmacogenomics': [900], '1:': [901], '189–201.': [902], '10.2165/00129785-200101030-00004': [903], 'CASPubMedGoogle': [904], 'Shih': [906], 'VE,': [907], 'Salam': [908], 'MZ,': [909], 'Mudd': [910], 'SH,': [911], 'Uhlendorf': [912], 'BV,': [913], 'Adam': [914], 'RD.': [915], '(1972)': [916], 'newform': [918], 'N5,N10-methylene': [923], 'Pediatr': [927, 1119], 'Res': [928], '6:': [929], '135.': [930], 'Streck': [933], 'EL,': [934], 'Zugno': [935], 'AI,': [936], 'Tagliari': [937], 'Sarkis': [939], 'JJF,': [940], 'Wajner': [941], 'Wannmacher': [943], 'CMD,': [944], 'Wyse': [945], 'ATS.': [946], '(2002)': [947], 'On': [948], 'mechanism': [950], 'inhibition': [953], 'Na+,K+-ATPase': [955], 'activity': [956], 'homocysteine.': [959], 'Devl': [962], 'Neurosci': [963], '20:': [964], '77–81.': [965], '10.1016/S0736-5748(02)00043-6': [966], 'Austin': [975], 'S.': [976], '(1991)': [977], 'Association': [978], 'demyelination': [980], 'fluid': [985], 'inborn': [988], 'errors': [989], 'methyl-transfer': [991], 'pathway.': [992], 'Lancet': [993], '338:': [994], '1550–1554.': [995], '10.1016/0140-6736(91)92373-A': [996], 'Biochemical': [1004], 'pathogenesis': [1005], 'subacute': [1007], 'combined': [1008], 'degeneration': [1009], 'spinal': [1012], 'cord': [1013], 'brain.': [1015], 'Inher': [1017], 'Metab': [1018], '16:': [1020], '762–770.': [1021], '10.1007/BF00711908': [1022], 'Walk': [1027], 'D,': [1028], 'Kang': [1029], 'SS,': [1030], 'Horwitz': [1031], 'A.': [1032], '(1994)': [1033], 'Intermittent': 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