title: [More than one--twins and ultrasound studies. A retrospective study].
authors.affiliation: Ultraljudsavdelningen, Barn-Kvinno-Centrum, Universitetsjukhuset i Linköping.
authors.forename: A
authors.initials: A
authors.lastname: Lobell
authors.forename: A M
authors.initials: AM
authors.lastname: Lindquist
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012189:Retrospective Studies; D014427:Twins; D016216:Ultrasonography, Prenatal
vernacular_title: Fler än en--tvillingar och ultraljudsundersökning--en retrospektiv studie.