title: Short communication: ultrasonographic placental grade and thickness: associations with early delivery and low birthweight.
authors.affiliation: Department of Medical Physics, County Hospital, Lincoln.
authors.forename: N J
authors.initials: NJ
authors.lastname: Dudley
authors.forename: D G
authors.initials: DG
authors.lastname: Fagan
authors.forename: M P
authors.initials: MP
authors.lastname: Lamb
mesh_terms: D005260:Female; D005865:Gestational Age; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007752:Obstetric Labor, Premature; D010920:Placenta / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D011247:Pregnancy; D012189:Retrospective Studies; D014463:Ultrasonography