1. Proximal interruption of a pulmonary arch (absence of one pulmonary artery). Case report and a new embryologic interpretation;Andersen, R.C.; Char, F.; Adams, P.;Dis. Chest,1958
2. Origin of the right pulmonary artery from the ascending aorta. Report of a surgically corrected case;Armer, R.M.; Shumacker, H.B.; Klatte, E.C.;Circulation,1961
3. Aortic origin of the right pulmonary artery;Caro, C.; Lermanda, V.C.; Lyons, H.A.;Brit. Heart J',1957
4. Absence of a primary division of the pulmonary trunk. An ontogenetic theory;Cucci, C.E.; Doyle, E.F.; Lewis, Jr, E.W.;Circulation,1964
5. Absence of the hilar shadow. A diagnostic sign in rare congenital cardiac malformations (truncus arteriosus solitarius with heterotopic pulmonary blood supply);Danelius, G.;Amer. Jr. Roentgenol,1942