title: Two shots in the feet with ultrasonographic screening.
authors.forename: I K
authors.initials: IK
authors.lastname: Rossavik
mesh_terms: D001724:Birth Weight; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011256:Pregnancy Outcome; D015983:Selection Bias; D016216:Ultrasonography, Prenatal / Q000191:economics