 - Transaminases 2 times above the upper limits of the institutional normal, - INR2 international normalized ratio if off of anticoagulation. Patients on anticoagulation therapy with an INR2 may be enrolled at the discretion of the investigator if they have not had any episodes of severe hemorrhage and if the site to be injected is not located in the oropharynx or another area where achieving homeostasis would be complicated by local anatomy. 