title: Second trimester sonography and fetal spina bifida screening.
authors.affiliation: Division of Obstetrics and Gynecology, University of Pisa, Pisa, Italy. f.strigini@obgyn.med.unipi.it
authors.forename: F A L
authors.initials: FA
authors.lastname: Strigini
authors.forename: A
authors.initials: A
authors.lastname: Carmignani
authors.forename: A R
authors.initials: AR
authors.lastname: Genazzani
mesh_terms: D034861:Abdominal Wall / Q000002:abnormalities; D005315:Fetal Diseases / Q000175:diagnosis / Q000000981:diagnostic imaging*; D006801:Humans; D008403:Mass Screening; D016135:Spinal Dysraphism / Q000175:diagnosis / Q000000981:diagnostic imaging*; D016216:Ultrasonography, Prenatal; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D000509:alpha-Fetoproteins