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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2011 2
2012 3
2015 1
2017 2
2019 1
2021 0
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Page 1
Associations of Maternal Vitamin B12 Concentration in Pregnancy With the Risks of Preterm Birth and Low Birth Weight: A Systematic Review and Meta-Analysis of Individual Participant Data.
Rogne T, Tielemans MJ, Chong MF, Yajnik CS, Krishnaveni GV, Poston L, Jaddoe VW, Steegers EA, Joshi S, Chong YS, Godfrey KM, Yap F, Yahyaoui R, Thomas T, Hay G, Hogeveen M, Demir A, Saravanan P, Skovlund E, Martinussen MP, Jacobsen GW, Franco OH, Bracken MB, Risnes KR. Rogne T, et al. Among authors: martinussen mp. Am J Epidemiol. 2017 Feb 1;185(3):212-223. doi: 10.1093/aje/kww212. Am J Epidemiol. 2017. PMID: 28108470 Free PMC article. Review.
[Prehospital maternity care].
Martinussen MP. Martinussen MP. Tidsskr Nor Laegeforen. 2011 Nov 29;131(23):2330. doi: 10.4045/tidsskr.11.1294. Tidsskr Nor Laegeforen. 2011. PMID: 22139096 Free article. Norwegian. No abstract available.