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    • Supplemental folic acid in pregnancy and childhood cancer risk 

      Mortensen, Jan Helge Seglem; Øyen, Nina; Fomina, Tatiana; Melbye, Mads; Tretli, Steinar; Vollset, Stein Emil; Bjørge, Tone (BMJ, 2016)
      Background: We investigated the association between supplemental folic acid in pregnancy and childhood cancer in a nationwide study of 687 406 live births in Norway, 1999–2010, and 799 children diagnosed later with ...
      Journal article