title: Efficacy of ultrasound-indicated cerclage in twin pregnancies: is evidence-based medicine always the right choice?
authors.affiliation: Department of Obstetrics and Gynecology, University of Parma, Parma, Italy.
authors.forename: Tiziana
authors.initials: T
authors.lastname: Frusca
authors.affiliation: University of Brescia, Brescia, Italy.
authors.forename: Cristina
authors.initials: C
authors.lastname: Zanardini
authors.affiliation: Department of Obstetrics and Gynecology, University of Parma, Parma, Italy. Electronic address: tullioghi@yahoo.com.
authors.forename: Tullio
authors.initials: T
authors.lastname: Ghi
mesh_terms: D023802:Cerclage, Cervical; D054791:Cervical Length Measurement; D005260:Female; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000000981:diagnostic imaging* / Q000601:surgery*