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Methodological quality of public health guideline recommendations on vitamin D and calcium : a systematic review protocol
INTRODUCTION: Current recommendations for vitamin D and calcium in dietary guidelines and bone health guidelines vary significantly among countries and professional organisations. It is unknown whether the methods used to develop these recommendations followed a rigourous process and how the differe...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2019
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6858133/ https://www.ncbi.nlm.nih.gov/pubmed/31699738 http://dx.doi.org/10.1136/bmjopen-2019-031840 |