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Comment
. 2008 Apr;198(4):485; author reply 483-4.
doi: 10.1016/j.ajog.2007.11.039. Epub 2008 Feb 21.

Methodological considerations for evaluating preterm birth

Ronna L Chan
Comment

Methodological considerations for evaluating preterm birth

Ronna L Chan. Am J Obstet Gynecol. 2008 Apr.
No abstract available

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