(Q54349647)
Statements
Mid-trimester endovaginal sonography in women at high risk for spontaneous preterm birth. (English)
National Institute of Child Health and Human Development, Maternal-Fetal Medicine Units Network
M Miodovnik
O Langer
J Owen
N Yost
E Thom
M Swain
B Sibai
D McNellis
1 September 2001
286
11
1340-1348