1. The petrosquamosal sinus: CT and MR findings of a rare emissary vein;Marsot-Dupuch;Am J Neuroradiol,2001
2. Vascular anomalies, sutures and small canals of the temporal bone on axial CT;Koesling;Eur J Radiol,2005
3. The petrosquamosal sinus in humans;San Millan Ruiz;J Anat,2006
4. The mastoid emissary vein and its surgical importance;Cheatle;Proc R Soc Med,1925
5. Mastoid canals in adult human skulls;Choudhry;J Anat,1996