P16.12: True Reproducibility of UltraSound Techniques (TRUST): first trimester cervical length using transabdominal and transvaginal ultrasound
2018 ◽
Vol 33
(1)
◽
pp. 136-141
◽
2007 ◽
Vol 29
(6)
◽
pp. 671-673
◽
2021 ◽
Vol 224
(2)
◽
pp. S217-S218
1995 ◽
Vol 60
(2)
◽
pp. 133-137
◽
Keyword(s):
2006 ◽
Vol 107
(Supplement)
◽
pp. 60S
◽