@article{article0c002abb,
title   = {Epidural pressures and spread of 2% of lidocaine in the epidural space: influence of volume and speed of injection of the local anesthetic solution},
author = {Cardoso, Mônica M. S. C and Carvalho, José Carlos Almeida},
year = {1998},
doi = {10.1016/s1098-7339(98)90105-5}
}