{
  "abstract": "Vitamin B12 levels are often recommended for children. Locally, we note many children have B12 levels above the upper limit of normal (771 ng/L1). We receive frequent advice requests from GPs regarding high B12 and have found a paucity of evidence to guide our response.",
  "authors": [
    {
      "affiliations": [
        "Paediatrics, York and Scarborough Teaching Hospitals NHS Foundation Trust, York, UK"
      ],
      "name": "Mais Ismail"
    },
    {
      "affiliations": [
        "Biochemistry, York and Scarborough Teaching Hospitals NHS Foundation Trust, York, UK"
      ],
      "name": "Maria De Ferrars"
    },
    {
      "affiliations": [
        "Paediatrics, York and Scarborough Teaching Hospitals NHS Foundation Trust, York, UK"
      ],
      "name": "Rebecca Hilary Proudfoot"
    }
  ],
  "title": "Do high vitamin B12 levels in children matter?",
  "uid": "ff2d3fd0-63c8-57f3-b5e7-ee003a4fe375"
}