title: Collateral vessels complicating bronchopulmonary dysplasia.
authors.forename: R F
authors.initials: RF
authors.lastname: Covert
authors.forename: W H
authors.initials: WH
authors.lastname: Drummond
authors.forename: I H
authors.initials: IH
authors.lastname: Gessner
mesh_terms: D001997:Bronchopulmonary Dysplasia / Q000503:physiopathology*; D003097:Collateral Circulation; D006801:Humans; D007231:Infant, Newborn