1. Fifty percent nitrous oxide does not increase the risk of venous air embolism in the sitting position;Losasso;Anesthesiology,1992
2. Venous air embolism;Black,1997
3. Anesthesia for intracranial procedures;Cucchiara,1989
4. Time required and success rate of percutaneous right atrial catheterization: Description of a technique;Cucchiara;Can Anaesth Soc J,1980
5. Body position does not affect the hemodynamic response to venous air embolism in dogs;Melhorn;Anesthesiology,1994