Second‐trimester transvaginal ultrasound measurement of cervical length for prediction of preterm birth: a blinded prospective multicentre diagnostic accuracy study
2020 ◽
Vol 128
(2)
◽
pp. 195-206
2021 ◽
Vol 43
(04)
◽
pp. 264-274
2020 ◽
2020 ◽
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