title: The challenge of preterm birth.
authors.forename: Robin G
authors.initials: RG
authors.lastname: Jordan
mesh_terms: D005260:Female; D006801:Humans; D039382:Maternal Nutritional Physiological Phenomena; D008880:Midwifery; D007752:Obstetric Labor, Premature / Q000451:nursing* / Q000517:prevention & control; D011247:Pregnancy; D014481:United States