1. Ask CalJEM: when looking at a non-contrast head CT, what actually appears white in an acute hemorrhagic stroke?;Stein;Cal J Emerg Med,2002
2. Can computed tomography identify patients with anaemia?;Collins;Ulster Med J,2001
3. Spontaneous hyperdense intracranial vessels seen on CT scan in polycythemia cases;Ben Salem;J Radiol,2003
4. Attenuation Measurements of Whole Blood and Blood Fractions in Computed Tomography
5. Radiodense dural sinuses: new CT sign in patients at risk for hypoxemic insult;Nelson;AJNR Am J Neuroradiol,1981