title: Re: Angle of fetal head progression measured using transperineal ultrasound as a predictive factor of vacuum extraction failure. T. Bultez, T. Quibel, P. Bouhanna, T. Popowski, M. Resche-Rigon and P. Rozenberg. Ultrasound Obstet Gynecol 2016; 48: 86-91.
authors.affiliation: Department of Obstetrics and Gynecology, University of Parma, Parma, Italy. tullioghi@yahoo.com.
authors.forename: T
authors.initials: T
authors.lastname: Ghi
mesh_terms: D006257:Head; D006801:Humans; D014465:Ultrasonics; D014463:Ultrasonography; D014618:Vacuum