Barata Tavares, Joana, Inês Leite, David Rodrigues, Sofia Reimão, João Leitão, and Paulo Sequeira. 2012. “Double Aortic Arch: Incidental Cerebral Angiography Finding in an Adult Patient With Headache – Embrionary Cardiovascular Morphogenic Pattern Review”. Acta Médica Portuguesa 25 (November). Lisbon, Portugal:45-47. https://doi.org/10.20344/amp.267.