[Prevention of twin collision using ultrasound in the first phase of labor].
D
D
Stanojević
Z
Z
Sretenović
A
A
Hajrić
D005260:Female; D006801:Humans; D007747:Labor Stage, First; D007744:Obstetric Labor Complications / Q000517:prevention & control*; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins; D016216:Ultrasonography, Prenatal