Tynan D، Alphonse J، Henry A، Welsh AW (2016). "The Aortic Isthmus: A Significant yet Underexplored Watershed of the Fetal Circulation". Fetal Diagnosis and Therapy. ج. 40 ع. 2: 81–93. DOI:10.1159/000446942. PMID:27379710.
Tynan D، Alphonse J، Henry A، Welsh AW (2016). "The Aortic Isthmus: A Significant yet Underexplored Watershed of the Fetal Circulation". Fetal Diagnosis and Therapy. ج. 40 ع. 2: 81–93. DOI:10.1159/000446942. PMID:27379710.