title: Active constriction of the persistent arterial duct explains its intermittent reappearance.
authors.forename: H
authors.initials: H
authors.lastname: Tomita
authors.forename: S
authors.initials: S
authors.lastname: Fuse
authors.forename: S
authors.initials: S
authors.lastname: Chiba
mesh_terms: D017023:Coronary Angiography; D004374:Ductus Arteriosus, Patent / Q000000981:diagnostic imaging*; D018618:Echocardiography, Doppler, Color; D006801:Humans