PT  - JOURNAL ARTICLE
AU  - Butterworth, John F.
TI  - Potency Ratios for Local Anesthetics in Regional Blocks: How Long Must We Wait?
AID  - 10.1136/rapm-00115550-200801000-00001
DP  - 2008 Jan 01
TA  - Regional Anesthesia &amp;amp; Pain Medicine
PG  - 1--3
VI  - 33
IP  - 1
4099  - http://rapm.bmj.com/content/33/1/1.short
4100  - http://rapm.bmj.com/content/33/1/1.full
SO  - Reg Anesth Pain Med2008 Jan 01; 33