title: Unexplained systemic hypertension after closure of ductus arteriosus.
authors.forename: S Bert
authors.initials: SB
authors.lastname: Litwin
mesh_terms: D004374:Ductus Arteriosus, Patent / Q000503:physiopathology / Q000601:surgery*; D006801:Humans; D006973:Hypertension / Q000209:etiology* / Q000503:physiopathology; D011183:Postoperative Complications