A retrospective comparison of 0.25% compared to 0.25% bupivacaine and butorphanol in pediatric ambulatory outpatient procedures
Lawhorn CD, Brown RE, Huggins DP, Kymer PJ, Vollers JM, Schmitz ML, Shirey R. A retrospective comparison of 0.25% compared to 0.25% bupivacaine and butorphanol in pediatric ambulatory outpatient procedures. American Academy of Pediatrics, Section on Anesthesiology, Annual Meeting.