Cervical softening occurs early in pregnancy: characterization of cervical stiffness in 100 healthy women using the aspiration technique
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2020 ◽
Vol 222
(1)
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pp. S717-S718
2019 ◽
Vol 41
(5)
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pp. 732
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2011 ◽
Vol 204
(1)
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pp. S254
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