<https://emj.emg-health.com/radiology/abstract/the-incidence-of-penetrating-aortic-ulcer-as-a-cause-for-non-aneurysmal-rupture-of-the-abdominal-aorta/>
<http://schema.org/description>
"Penetrating aortic ulcer (PAU) is a typical manifestation of thoracic acute aortic syndrome. Nevertheless, selected reports also notify the presentation..."
<https://www.emjreviews.com/radiology/abstract/the-incidence-of-penetrating-aortic-ulcer-as-a-cause-for-non-aneurysmal-rupture-of-the-abdominal-aorta/>