Thema
Journal Article
9
Randomized Controlled Trial
Multicenter Study
7
Research Support, N.I.H., Extramural
5
9842X06Q6M
2
Betamethasone
2
Glucocorticoids
2
pessary
2
preterm birth
2
randomized controlled trial
2
short cervix
2
4G7DS2Q64Y
1
Adrenal Cortex Hormones
1
Klinische Studie
1
Progesterone
1
Progestins
1
cerclage
1
cervical length
1
preterm birth prediction
1
singleton
1
twins
1
vaginal sonography
1