Media type: E-Article Title: Three-month B vitamin supplementation in pre-school children affects folate status and homocysteine, but not cognitive performance Contributor: Rauh-Pfeiffer, Astrid; Handel, Uschi; Demmelmair, Hans; Peissner, Wolfgang; Niesser, Mareile; Moretti, Diego; Martens, Vanessa; Wiseman, Sheila; Weichert, Judith; Heene, Moritz; Bühner, Markus; Koletzko, Berthold imprint: Springer Science and Business Media LLC, 2014 Published in: European Journal of Nutrition Language: English DOI: 10.1007/s00394-013-0647-y ISSN: 1436-6207; 1436-6215 Keywords: Nutrition and Dietetics ; Medicine (miscellaneous) Origination: Footnote: