@article {Cohen37, author = {Shaul Cohen and B. Hronkova and M. Croitoru and E. Burley and J. Buglisi, Jr. and G.J. Grant}, title = {Continuous Epidural Infusion of Ropivacaine-Fentanyl Epinephrine for Labor Pain: What is the optimal concentration of ropivacaine?}, volume = {24}, number = {Suppl 1}, pages = {37--37}, year = {1999}, doi = {10.1136/rapm-00115550-199924031-00037}, publisher = {BMJ Specialist Journals}, issn = {1098-7339}, URL = {https://rapm.bmj.com/content/24/Suppl_1/37}, eprint = {https://rapm.bmj.com/content/24/Suppl_1/37.full.pdf}, journal = {Regional Anesthesia \& Pain Medicine} }