5
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|
Premature Birth -- etiology : Preterm babies, fetal patients, and childbearing choices / John D. Lantos and Diane S. Lauderdale
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2015
|
1
|
8
|
|
CHILDBIRTH before 37 weeks of PREGNANCY (259 days from the first day of the mother's last menstrual period, or 245 days after FERTILIZATION)
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|
1
|