Martins, CSantos, AVMiranda, MGranja, C2016-11-142016-11-142014BMJ Case Rep. 2014 Nov 111757-790Xhttp://hdl.handle.net/10400.10/1744engCongenital heart defectsMultiple pregnancyMultiple abnormalitiesDeficiências cardíacas congénitasTwin reversed arterial perfusion (TRAP) sequence: an acardiac fetus.journal article10.1136/bcr-2014-207556