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 differen...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
BMJ Publishing Group
2019-11-01
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| Series: | BMJ Open |
| Online Access: | https://bmjopen.bmj.com/content/9/11/e031840.full |
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