1. I.V. ropivacaine compared with lidocaine for the treatment of tinnitus
H. Kallio, M.L. Niskanen, M. Havia, P.J. Neuvonen, P.H. Rosenberg, E. Kentala 
British Journal of Anaesthesia 
Volume 101, Issue 2, Pages (August 2008)
DOI: /bja/aen137
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

2. Fig 1
Tinnitus handicap inventory sum scores (0–100) in 19 patients after ropivacaine infusion. The open circles depict the assessment times and their mean values (bold line).
British Journal of Anaesthesia  , DOI: ( /bja/aen137)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

3. Fig 2
The individual tinnitus handicap inventory sum scores (0–100) in 19 patients after lidocaine infusion. The open circles depict the assessment times and their mean values (bold line).
British Journal of Anaesthesia  , DOI: ( /bja/aen137)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

4. Fig 3
Total individual plasma concentrations (ng ml−1) of ropivacaine and their mean values (bold line) in 20 patients. Ropivacaine was infused i.v. 1.5 mg kg−1 in 30 min.
British Journal of Anaesthesia  , DOI: ( /bja/aen137)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions

5. Fig 4
Total plasma concentrations (ng ml−1) of lidocaine and their mean values (bold line) in 19 patients. Lidocaine was infused i.v. 1.5 mg kg−1 in 30 min.
British Journal of Anaesthesia  , DOI: ( /bja/aen137)
Copyright © 2008 British Journal of Anaesthesia Terms and Conditions