1. Brachial plexus anesthesia: an analysis of options.;Brown;Yale J Biol Med,1993
2. Brachial plexus block using the posterior approach.;Pippa;Eur J Anaesthesiol,1990
3. How many interscalenic blocks are there? A comparison between the lateral and posterior approach.;Rucci;Eur J Anaesthesiol,1993
4. A novel supraclavicular approach to the brachial plexus block.;Pham-Dang;Anesth Analg,1997
5. Total spinal anesthesia after interscalene blockade of the brachial plexus.;Dutton;Anesthesiology,1994