title: A guest editorial: where are we now in screening patients for preterm delivery?
authors.forename: Washington Clark
authors.initials: WC
authors.lastname: Hill
mesh_terms: D005260:Female; D006801:Humans; D008403:Mass Screening / Q000639:trends*; D007752:Obstetric Labor, Premature / Q000175:diagnosis*; D011247:Pregnancy