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The ansa subclavia: A review of the literature
The ansa subclavia, subclavian loop, Vieussens' ansa or Vieussens' loop is a nerve cord that connects the middle cervical and inferior cervical sympathetic ganglia, forming a loop around the subclavian artery. The structure ...
The most common anatomical sites of arterial injury in the extremities: A review of 75 angiographically-proven cases
The incidence of vascular injury has increased worldwide. In an attempt to quantitate the specific arteries most commonly involved in the extremities, we reviewed 75 patients with extremity trauma who were evaluated with ...
What did Avicenna (Ibn Sina, 980-1037 A.D.) look like?
We present a reconstruction of Avicenna's face from the only photograph of his skull available today. The photograph is more than 50 years old, and was obtained during the exhumation of Avicenna's tomb in Hamadan for ...