DOI:
10.1055/s-00000009
American Journal of Perinatology
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References
Meher S, Alfirevic Z.
Choice of primary outcomes in randomised trials and systematic reviews evaluating interventions for preterm birth prevention: a systematic review.
BJOG 2014; ; February 27 (Epub ahead of print); doi:
DOI: 10.1111/1471-0528.
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