@article{2986224, title = "Quantification of fetal head direction using transperineal ultrasound: An easier approach", author = "Iliescu, D.G. and Adam, G. and Tudorache, S. and Antsaklis, P. and Cernea, N.", journal = "Ultrasound in Obstetrics and Gynecology", year = "2012", volume = "40", number = "5", pages = "607-608", issn = "0960-7692, 1469-0705", doi = "10.1002/uog.11117", keywords = "echography; female; fetus echography; head; human; letter; methodology; perineum; pregnancy, Female; Head; Humans; Labor Presentation; Perineum; Pregnancy; Ultrasonography, Prenatal" }