A Nested Case-Control Study of First-Trimester Maternal Vitamin D Status and Risk for Spontaneous Preterm Birth
2011 ◽
Vol 28
(09)
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pp. 667-672
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2012 ◽
Vol 28
(2)
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pp. 164-168
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2006 ◽
Vol 66
(20)
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pp. 10213-10219
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2012 ◽
Vol 119
(13)
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pp. 1617-1623
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Keyword(s):
2021 ◽
Vol 25
(1)
◽
pp. 12-19
Keyword(s):
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2011 ◽
Vol 204
(1)
◽
pp. S185-S186
Keyword(s):